一元一次方程式训练精选题和答案

班级姓名成绩
一、单边未知数
(1)15x-6 = 309 (2)728 = 8+30x (3)9x-9 = 153 (4)4+18x = 346 (5)9x-10 = 62 (6)15x-26 = 169 (7)10x-26 = 34 (8)27x-15 = 336 (9)344 = 16x-8 (10)71 = 19+13x (11)202 = 28x-22 (12)164 = 13x-5 (13)529 = 21x-17 (14)216 = 22x-26 (15)13-x = 12 (16)21 = x-8
(17)17x-22 = 403 (18)12x-17 = 271 (19)25+27x = 457 (20)233 = 16x-7
(21)25x-23 = 527 (22)69 = 29x-18 (23)26+21x = 47 (24)749 = 28x-7
二、双边未知数
(1)23-2x = 7x-4 (2)28x-10 = 370-10x (3)15x-29 = 615-8x (4)25+11x = 233+3x (5)4-27x = 2x-547 (6)16-26x = 8x-834 (7)13+15x = 493-5x (8)26+27x = 194+3x (9)28x-19 = 527+2x (10)26x-13 = 82+7x (11)29-16x = 2x-349 (12)9x-25 = 125-6x (13)23x-28 = 593-4x (14)13x-15 = 53+9x (15)11-26x = 3x-714 (16)16x-9 = 180-5x (17)24+11x = 90+8x (18)9x-11 = 31-5x (19)30+26x = 70+6x (20)8x-6 = 30-4x (21)12+6x = 10x-104 (22)16x-18 = 147+5x (23)17x-9 = 336+2x (24)18-18x = 2x-162
班级姓名成绩
一、单边未知数
(1)59 = 27+8x (2)117 = 29+11x (3)329 = 26x-9 (4)11x-2 = 240 (5)29x-13 = 190 (6)627 = 27x-21 (7)15+18x = 195 (8)134 = 19x-18 (9)74 = 5x-21 (10)30 = 14+8x (11)9x-24 = 21 (12)25x-22 = 728 (13)19+3x = 70 (14)5x-27 = 38 (15)17+8x = 193 (16)20x-26 = 554 (17)6 = 5x-19 (18)15x-24 = 366 (19)19x-12 = 102 (20)6+11x = 270
(21)520 = 21x-26 (22)10x-6 = 34 (23)109 = 16x-19 (24)16x-12 = 20
二、双边未知数
(1)19x-13 = 637-6x (2)19x-10 = 662-9x (3)19x-5 = 352+2x (4)8x-6 = 42+2x (5)13x-4 = 332-3x (6)8x-27 = 1x-13 (7)10x-26 = 334-8x (8)23x-7 = 185-9x (9)27x-5 = 271+4x (10)24-21x = 6x-273 (11)29-22x = 8x-691 (12)23+9x = 327-7x (13)6x-12 = 1x-7 (14)28x-5 = 662-x (15)24x-17 = 13+9x (16)17-14x = 7x-571 (17)1-6x = 53-8x (18)16x-4 = 158-2x (19)19x-9 = 111+7x (20)4x-18 = 252-5x (21)28x-4 = 656-5x (22)11x-2 = 86+7x (23)20+21x = 200+x (24)8+5x = 98+2x
班级姓名成绩
一、单边未知数
(1)14x-13 = 169 (2)28x-13 = 687 (3)2+7x = 23 (4)6x-22 = 8
(5)20x-11 = 129 (6)22x-14 = 382 (7)24x-28 = 260 (8)9x-19 = 251 (9)742 = 29x-12 (10)5+x = 24 (11)10+17x = 435 (12)119 = 11x-2 (13)52 = 28x-4 (14)12x-3 = 141 (15)170 = 12x-10 (16)17x-24 = 350 (17)64 = 12+13x (18)22x-13 = 603 (19)8x-5 = 19 (20)1+24x = 49
(21)388 = 14x-4 (22)147 = 9x-6 (23)20x-10 = 90 (24)551 = 23+24x
二、双边未知数
(1)8-28x = 10x-1018 (2)15x-14 = 76-3x (3)10x-26 = 117-x (4)10x-24 = 354-4x (5)4+29x = 724-x (6)5+26x = 614+5x (7)21x-25 = 343-2x (8)17-7x = 69-9x (9)28x-14 = 148+x (10)30+4x = 13+5x (11)4+19x = 24-x (12)26x-20 = 932-8x (13)30-17x = 7x-162 (14)10x-19 = 156+3x (15)6x-15 = 48-3x (16)27x-12 = 216+8x (17)18x-5 = 182+7x (18)20+2x = 8+8x (19)17x-1 = 285+4x (20)20+12x = 50+2x (21)27x-22 = 52-10x (22)29x-30 = 360-10x (23)20x-25 = 700-9x (24)8x-17 = 179-6x
班级姓名成绩
一、单边未知数
(1)24x-8 = 400 (2)420 = 20x-20 (3)8x-13 = 147 (4)9x-19 = 44 (5)136 = 6x-8 (6)443 = 16x-21 (7)3+29x = 467 (8)574 = 29x-6 (9)492 = 20x-8 (10)377 = 20x-3 (11)15x-14 = 406 (12)646 = 30+28x (13)19x-13 = 196 (14)538 = 25x-12 (15)109 = 11+7x (16)53 = 11x-24 (17)801 = 28x-11 (18)199 = 24x-17 (19)17x-25 = 332 (20)18x-22 = 482
(21)331 = 19x-11 (22)37 = 16x-11 (23)5+24x = 269 (24)48 = 25x-27
二、双边未知数
(1)11x-19 = 361-8x (2)19-19x = 10x-445 (3)9-9x = 8x-161 (4)2+26x = 254+8x (5)18+11x = 189+2x (6)11-7x = 7x-73 (7)11x-22 = 18+3x (8)4x-10 = 7x-94 (9)5+30x = 365-6x (10)10+6x = 98-5x (11)5+6x = 25+5x (12)8x-1 = 49-2x (13)14-5x = 4x-121 (14)12x-10 = 245-3x (15)12x-6 = 488-7x (16)26x-3 = 510+7x (17)30+9x = 23+10x (18)2x-13 = 7x-38 (19)26x-8 = 298-8x (20)3x-6 = 7+2x (21)29x-30 = 51+2x (22)3x-17 = 6x-101 (23)29x-1 = 233-10x (24)27x-8 = 488-4x
班级姓名成绩
一、单边未知数
(1)3x-29 = 19 (2)3 = x-6 (3)7+29x = 877 (4)589 = 23x-9 (5)12x-14 = 130 (6)30x-10 = 290 (7)101 = 6+5x (8)305 = 12x-7 (9)182 = 17x-5 (10)11+12x = 347 (11)11x-20 = 13 (12)248 = 12x-4 (13)18x-28 = 26 (14)16x-10 = 214 (15)x-8 = 5 (16)222 = 25x-3 (17)3x-4 = 17 (18)387 = 7+20x (19)95 = 8x-17 (20)201 = 14x-23
(21)95 = 12x-1 (22)269 = 17x-20 (23)99 = 27+4x (24)419 = 23x-18
二、双边未知数
(1)17x-27 = 441-9x (2)11x-4 = 26+x (3)23+28x = 313-x (4)9x-8 = 64+3x (5)26+x = 134-5x (6)20x-22 = 818-10x (7)10x-11 = 143-4x (8)27x-30 = 78+9x (9)5+x = 8x-107 (10)12x-26 = 9x-11 (11)19-2x = 25-5x (12)10x-21 = 530-9x (13)18x-15 = 42-x (14)19+26x = 643+2x (15)17-6x = 6x-115 (16)10+17x = 374+3x (17)4x-2 = 7x-32 (18)11+2x = 203-10x (19)11x-17 = 172+2x (20)3x-10 = 2x-3 (21)4x-27 = 323-10x (22)21x-10 = 565-4x (23)28x-16 = 306+5x (24)9-6x = 7x-225
小学数学一元一次方程每日训练(1)答案
一、单边未知数
(1)3x-29 = 19 (2)3 = x-6
解析：将-29移到方程式右边,变成29 解析：将-6移到方程式左边,变成6 3x = 19+29 3+6 = x
3x = 48 9 = x
x = 16 两边交换得x = 9
x = 9
(3)7+29x = 877 (4)589 = 23x-9
解析：将7移到方程式右边,变成-7 解析：将-9移到方程式左边,变成9 29x = 877-7 589+9 = 23x
29x = 870 598 = 23x
x = 30 两边交换得23x = 598
x = 26
(5)12x-14 = 130 (6)30x-10 = 290
解析：将-14移到方程式右边,变成14 解析：将-10移到方程式右边,变成10 12x = 130+14 30x = 290+10
12x = 144 30x = 300
x = 12 x = 10
(7)101 = 6+5x (8)305 = 12x-7
解析：将6移到方程式左边,变成-6 解析：将-7移到方程式左边,变成7 101-6 = 5x 305+7 = 12x
95 = 5x 312 = 12x
两边交换得5x = 95 两边交换得12x = 312
x = 19 x = 26
(9)182 = 17x-5 (10)11+12x = 347
解析：将-5移到方程式左边,变成5 解析：将11移到方程式右边,变成-11 182+5 = 17x 12x = 347-11
187 = 17x 12x = 336
两边交换得17x = 187 x = 28
x = 11
(11)11x-20 = 13 (12)248 = 12x-4
解析：将-20移到方程式右边,变成20 解析：将-4移到方程式左边,变成4 11x = 13+20 248+4 = 12x
11x = 33 252 = 12x
x = 3 两边交换得12x = 252
x = 21
(13)18x-28 = 26 (14)16x-10 = 214
解析：将-28移到方程式右边,变成28 解析：将-10移到方程式右边,变成10 18x = 26+28 16x = 214+10
18x = 54 16x = 224
x = 3 x = 14
(15)x-8 = 5 (16)222 = 25x-3
解析：将-8移到方程式右边,变成8 解析：将-3移到方程式左边,变成3 x = 5+8 222+3 = 25x
x = 13 225 = 25x
x = 13 两边交换得25x = 225
x = 9
(17)3x-4 = 17 (18)387 = 7+20x
解析：将-4移到方程式右边,变成4 解析：将7移到方程式左边,变成-7
3x = 17+4 387-7 = 20x
3x = 21 380 = 20x
x = 7 两边交换得20x = 380
x = 19
(19)95 = 8x-17 (20)201 = 14x-23
解析：将-17移到方程式左边,变成17 解析：将-23移到方程式左边,变成23 95+17 = 8x 201+23 = 14x
112 = 8x 224 = 14x
两边交换得8x = 112 两边交换得14x = 224
x = 14 x = 16
(21)95 = 12x-1 (22)269 = 17x-20
解析：将-1移到方程式左边,变成1 解析：将-20移到方程式左边,变成20 95+1 = 12x 269+20 = 17x
96 = 12x 289 = 17x
两边交换得12x = 96 两边交换得17x = 289
x = 8 x = 17
(23)99 = 27+4x (24)419 = 23x-18
解析：将27移到方程式左边,变成-27 解析：将-18移到方程式左边,变成18 99-27 = 4x 419+18 = 23x
72 = 4x 437 = 23x
两边交换得4x = 72 两边交换得23x = 437
x = 18 x = 19
二、双边未知数
(1)17x-27 = 441-9x (2)11x-4 = 26+x
解析：将-9x移到方程式左边,变成9x 解析：将1x移到方程式左边,变成-x
将-27移到方程式右边,变成27 将-4移到方程式右边,变成4
9x+17x = 441+27 11x-x = 26+4
26x = 468 10x = 30
x = 18 x = 3
(3)23+28x = 313-x (4)9x-8 = 64+3x
解析：将-x移到方程式左边,变成1x 解析：将3x移到方程式左边,变成-3x 将23移到方程式右边,变成-23 将-8移到方程式右边,变成8
1x+28x = 313-23 9x-3x = 64+8
29x = 290 6x = 72
x = 10 x = 12
(5)26+x = 134-5x (6)20x-22 = 818-10x
解析：将-5x移到方程式左边,变成5x 解析：将-10x移到方程式左边,变成10x 将26移到方程式右边,变成-26 将-22移到方程式右边,变成22
5x+x = 134-26 10x+20x = 818+22
6x = 108 30x = 840
x = 18 x = 28
(7)10x-11 = 143-4x (8)27x-30 = 78+9x
解析：将-4x移到方程式左边,变成4x 解析：将9x移到方程式左边,变成-9x 将-11移到方程式右边,变成11 将-30移到方程式右边,变成30
4x+10x = 143+11 27x-9x = 78+30
14x = 154 18x = 108
x = 11 x = 6
(9)5+x = 8x-107 (10)12x-26 = 9x-11
解析：将1x移到方程式右边,变成-x 解析：将9x移到方程式左边,变成-9x 将-107移到方程式左边,变成107 将-26移到方程式右边,变成26
107+5 = 8x-x 12x-9x = -11+26
112 = 7x 3x = 15
两边交换得x = 16 x = 5
(11)19-2x = 25-5x (12)10x-21 = 530-9x
解析：将-5x移到方程式左边,变成5x 解析：将-9x移到方程式左边,变成9x 将19移到方程式右边,变成-19 将-21移到方程式右边,变成21
5x-2x = 25-19 9x+10x = 530+21
3x = 6 19x = 551
x = 2 x = 29
(13)18x-15 = 42-x (14)19+26x = 643+2x
解析：将-x移到方程式左边,变成1x 解析：将2x移到方程式左边,变成-2x
将-15移到方程式右边,变成15 将19移到方程式右边,变成-19
1x+18x = 42+15 26x-2x = 643-19
19x = 57 24x = 624
x = 3 x = 26
(15)17-6x = 6x-115 (16)10+17x = 374+3x
解析：将-6x移到方程式右边,变成6x 解析：将3x移到方程式左边,变成-3x 将-115移到方程式左边,变成115 将10移到方程式右边,变成-10
115+17 = 6x+6x 17x-3x = 374-10
132 = 12x 14x = 364
两边交换得x = 11 x = 26
(17)4x-2 = 7x-32 (18)11+2x = 203-10x
解析：将4x移到方程式右边,变成-4x 解析：将-10x移到方程式左边,变成10x 将-32移到方程式左边,变成32 将11移到方程式右边,变成-11
32-2 = 7x-4x 10x+2x = 203-11
30 = 3x 12x = 192
两边交换得x = 10 x = 16
(19)11x-17 = 172+2x (20)3x-10 = 2x-3
解析：将2x移到方程式左边,变成-2x 解析：将2x移到方程式左边,变成-2x 将-17移到方程式右边,变成17 将-10移到方程式右边,变成10
11x-2x = 172+17 3x-2x = -3+10
9x = 189 x = 7
x = 21
(21)4x-27 = 323-10x (22)21x-10 = 565-4x
解析：将-10x移到方程式左边,变成10x 解析：将-4x移到方程式左边,变成4x 将-27移到方程式右边,变成27 将-10移到方程式右边,变成10
10x+4x = 323+27 4x+21x = 565+10
14x = 350 25x = 575
x = 25 x = 23
(23)28x-16 = 306+5x (24)9-6x = 7x-225
解析：将5x移到方程式左边,变成-5x 解析：将-6x移到方程式右边,变成6x 将-16移到方程式右边,变成16 将-225移到方程式左边,变成225
28x-5x = 306+16 225+9 = 7x+6x
23x = 322 234 = 13x
x = 14 两边交换得x = 18
小学数学一元一次方程每日训练(2)答案
一、单边未知数
(1)3x-29 = 19 (2)3 = x-6
解析：将-29移到方程式右边,变成29 解析：将-6移到方程式左边,变成6 3x = 19+29 3+6 = x
3x = 48 9 = x
x = 16 两边交换得x = 9
x = 9
(3)7+29x = 877 (4)589 = 23x-9
解析：将7移到方程式右边,变成-7 解析：将-9移到方程式左边,变成9 29x = 877-7 589+9 = 23x
29x = 870 598 = 23x
x = 30 两边交换得23x = 598
x = 26
(5)12x-14 = 130 (6)30x-10 = 290
解析：将-14移到方程式右边,变成14 解析：将-10移到方程式右边,变成10 12x = 130+14 30x = 290+10
12x = 144 30x = 300
x = 12 x = 10
(7)101 = 6+5x (8)305 = 12x-7
解析：将6移到方程式左边,变成-6 解析：将-7移到方程式左边,变成7 101-6 = 5x 305+7 = 12x
95 = 5x 312 = 12x
两边交换得5x = 95 两边交换得12x = 312
x = 19 x = 26
(9)182 = 17x-5 (10)11+12x = 347
解析：将-5移到方程式左边,变成5 解析：将11移到方程式右边,变成-11 182+5 = 17x 12x = 347-11
187 = 17x 12x = 336
两边交换得17x = 187 x = 28
x = 11
(11)11x-20 = 13 (12)248 = 12x-4
解析：将-20移到方程式右边,变成20 解析：将-4移到方程式左边,变成4 11x = 13+20 248+4 = 12x
11x = 33 252 = 12x
x = 3 两边交换得12x = 252
x = 21
(13)18x-28 = 26 (14)16x-10 = 214
解析：将-28移到方程式右边,变成28 解析：将-10移到方程式右边,变成10 18x = 26+28 16x = 214+10
18x = 54 16x = 224
x = 3 x = 14
(15)x-8 = 5 (16)222 = 25x-3
解析：将-8移到方程式右边,变成8 解析：将-3移到方程式左边,变成3 x = 5+8 222+3 = 25x
x = 13 225 = 25x
x = 13 两边交换得25x = 225
x = 9
(17)3x-4 = 17 (18)387 = 7+20x
解析：将-4移到方程式右边,变成4 解析：将7移到方程式左边,变成-7
3x = 17+4 387-7 = 20x
3x = 21 380 = 20x
x = 7 两边交换得20x = 380
x = 19
(19)95 = 8x-17 (20)201 = 14x-23
解析：将-17移到方程式左边,变成17 解析：将-23移到方程式左边,变成23 95+17 = 8x 201+23 = 14x
112 = 8x 224 = 14x
两边交换得8x = 112 两边交换得14x = 224
x = 14 x = 16
(21)95 = 12x-1 (22)269 = 17x-20
解析：将-1移到方程式左边,变成1 解析：将-20移到方程式左边,变成20 95+1 = 12x 269+20 = 17x
96 = 12x 289 = 17x
两边交换得12x = 96 两边交换得17x = 289
x = 8 x = 17
(23)99 = 27+4x (24)419 = 23x-18
解析：将27移到方程式左边,变成-27 解析：将-18移到方程式左边,变成18 99-27 = 4x 419+18 = 23x
72 = 4x 437 = 23x
两边交换得4x = 72 两边交换得23x = 437
x = 18 x = 19
二、双边未知数
(1)17x-27 = 441-9x (2)11x-4 = 26+x
解析：将-9x移到方程式左边,变成9x 解析：将1x移到方程式左边,变成-x
将-27移到方程式右边,变成27 将-4移到方程式右边,变成4
9x+17x = 441+27 11x-x = 26+4
26x = 468 10x = 30
x = 18 x = 3
(3)23+28x = 313-x (4)9x-8 = 64+3x
解析：将-x移到方程式左边,变成1x 解析：将3x移到方程式左边,变成-3x 将23移到方程式右边,变成-23 将-8移到方程式右边,变成8
1x+28x = 313-23 9x-3x = 64+8
29x = 290 6x = 72
x = 10 x = 12
(5)26+x = 134-5x (6)20x-22 = 818-10x
解析：将-5x移到方程式左边,变成5x 解析：将-10x移到方程式左边,变成10x 将26移到方程式右边,变成-26 将-22移到方程式右边,变成22
5x+x = 134-26 10x+20x = 818+22
6x = 108 30x = 840
x = 18 x = 28
(7)10x-11 = 143-4x (8)27x-30 = 78+9x
解析：将-4x移到方程式左边,变成4x 解析：将9x移到方程式左边,变成-9x 将-11移到方程式右边,变成11 将-30移到方程式右边,变成30
4x+10x = 143+11 27x-9x = 78+30
14x = 154 18x = 108
x = 11 x = 6
(9)5+x = 8x-107 (10)12x-26 = 9x-11
解析：将1x移到方程式右边,变成-x 解析：将9x移到方程式左边,变成-9x 将-107移到方程式左边,变成107 将-26移到方程式右边,变成26
107+5 = 8x-x 12x-9x = -11+26
112 = 7x 3x = 15
两边交换得x = 16 x = 5
(11)19-2x = 25-5x (12)10x-21 = 530-9x
解析：将-5x移到方程式左边,变成5x 解析：将-9x移到方程式左边,变成9x 将19移到方程式右边,变成-19 将-21移到方程式右边,变成21
5x-2x = 25-19 9x+10x = 530+21
3x = 6 19x = 551
x = 2 x = 29
(13)18x-15 = 42-x (14)19+26x = 643+2x
解析：将-x移到方程式左边,变成1x 解析：将2x移到方程式左边,变成-2x 将-15移到方程式右边,变成15 将19移到方程式右边,变成-19
1x+18x = 42+15 26x-2x = 643-19
19x = 57 24x = 624
x = 3 x = 26
(15)17-6x = 6x-115 (16)10+17x = 374+3x
解析：将-6x移到方程式右边,变成6x 解析：将3x移到方程式左边,变成-3x 将-115移到方程式左边,变成115 将10移到方程式右边,变成-10
115+17 = 6x+6x 17x-3x = 374-10
132 = 12x 14x = 364
两边交换得x = 11 x = 26
(17)4x-2 = 7x-32 (18)11+2x = 203-10x
解析：将4x移到方程式右边,变成-4x 解析：将-10x移到方程式左边,变成10x 将-32移到方程式左边,变成32 将11移到方程式右边,变成-11
32-2 = 7x-4x 10x+2x = 203-11
30 = 3x 12x = 192
两边交换得x = 10 x = 16
(19)11x-17 = 172+2x (20)3x-10 = 2x-3
解析：将2x移到方程式左边,变成-2x 解析：将2x移到方程式左边,变成-2x 将-17移到方程式右边,变成17 将-10移到方程式右边,变成10
11x-2x = 172+17 3x-2x = -3+10
9x = 189 x = 7
x = 21
(21)4x-27 = 323-10x (22)21x-10 = 565-4x
解析：将-10x移到方程式左边,变成10x 解析：将-4x移到方程式左边,变成4x 将-27移到方程式右边,变成27 将-10移到方程式右边,变成10
10x+4x = 323+27 4x+21x = 565+10
14x = 350 25x = 575
x = 25 x = 23
(23)28x-16 = 306+5x (24)9-6x = 7x-225
解析：将5x移到方程式左边,变成-5x 解析：将-6x移到方程式右边,变成6x 将-16移到方程式右边,变成16 将-225移到方程式左边,变成225
28x-5x = 306+16 225+9 = 7x+6x
23x = 322 234 = 13x
x = 14 两边交换得x = 18
小学数学一元一次方程每日训练(3)答案一、单边未知数
(1)3x-29 = 19 (2)3 = x-6
解析：将-29移到方程式右边,变成29 解析：将-6移到方程式左边,变成6 3x = 19+29 3+6 = x
3x = 48 9 = x
x = 16 两边交换得x = 9
x = 9
(3)7+29x = 877 (4)589 = 23x-9
解析：将7移到方程式右边,变成-7 解析：将-9移到方程式左边,变成9 29x = 877-7 589+9 = 23x
29x = 870 598 = 23x
x = 30 两边交换得23x = 598
x = 26
(5)12x-14 = 130 (6)30x-10 = 290
解析：将-14移到方程式右边,变成14 解析：将-10移到方程式右边,变成10 12x = 130+14 30x = 290+10
12x = 144 30x = 300
x = 12 x = 10
(7)101 = 6+5x (8)305 = 12x-7
解析：将6移到方程式左边,变成-6 解析：将-7移到方程式左边,变成7 101-6 = 5x 305+7 = 12x
95 = 5x 312 = 12x
两边交换得5x = 95 两边交换得12x = 312
x = 19 x = 26
(9)182 = 17x-5 (10)11+12x = 347
解析：将-5移到方程式左边,变成5 解析：将11移到方程式右边,变成-11 182+5 = 17x 12x = 347-11
187 = 17x 12x = 336
两边交换得17x = 187 x = 28
x = 11
(11)11x-20 = 13 (12)248 = 12x-4
解析：将-20移到方程式右边,变成20 解析：将-4移到方程式左边,变成4 11x = 13+20 248+4 = 12x
11x = 33 252 = 12x
x = 3 两边交换得12x = 252
x = 21
(13)18x-28 = 26 (14)16x-10 = 214
解析：将-28移到方程式右边,变成28 解析：将-10移到方程式右边,变成10 18x = 26+28 16x = 214+10
x = 3 x = 14
(15)x-8 = 5 (16)222 = 25x-3
解析：将-8移到方程式右边,变成8 解析：将-3移到方程式左边,变成3 x = 5+8 222+3 = 25x
x = 13 225 = 25x
x = 13 两边交换得25x = 225
x = 9
(17)3x-4 = 17 (18)387 = 7+20x
解析：将-4移到方程式右边,变成4 解析：将7移到方程式左边,变成-7
3x = 17+4 387-7 = 20x
3x = 21 380 = 20x
x = 7 两边交换得20x = 380
x = 19
(19)95 = 8x-17 (20)201 = 14x-23
解析：将-17移到方程式左边,变成17 解析：将-23移到方程式左边,变成23 95+17 = 8x 201+23 = 14x
112 = 8x 224 = 14x
两边交换得8x = 112 两边交换得14x = 224
x = 14 x = 16
(21)95 = 12x-1 (22)269 = 17x-20
解析：将-1移到方程式左边,变成1 解析：将-20移到方程式左边,变成20 95+1 = 12x 269+20 = 17x
96 = 12x 289 = 17x
两边交换得12x = 96 两边交换得17x = 289
x = 8 x = 17
(23)99 = 27+4x (24)419 = 23x-18
解析：将27移到方程式左边,变成-27 解析：将-18移到方程式左边,变成18 99-27 = 4x 419+18 = 23x
72 = 4x 437 = 23x
两边交换得4x = 72 两边交换得23x = 437
x = 18 x = 19
二、双边未知数
(1)17x-27 = 441-9x (2)11x-4 = 26+x
解析：将-9x移到方程式左边,变成9x 解析：将1x移到方程式左边,变成-x 将-27移到方程式右边,变成27 将-4移到方程式右边,变成4
9x+17x = 441+27 11x-x = 26+4
x = 18 x = 3
(3)23+28x = 313-x (4)9x-8 = 64+3x
解析：将-x移到方程式左边,变成1x 解析：将3x移到方程式左边,变成-3x 将23移到方程式右边,变成-23 将-8移到方程式右边,变成8
1x+28x = 313-23 9x-3x = 64+8
29x = 290 6x = 72
x = 10 x = 12
(5)26+x = 134-5x (6)20x-22 = 818-10x
解析：将-5x移到方程式左边,变成5x 解析：将-10x移到方程式左边,变成10x 将26移到方程式右边,变成-26 将-22移到方程式右边,变成22
5x+x = 134-26 10x+20x = 818+22
6x = 108 30x = 840
x = 18 x = 28
(7)10x-11 = 143-4x (8)27x-30 = 78+9x
解析：将-4x移到方程式左边,变成4x 解析：将9x移到方程式左边,变成-9x 将-11移到方程式右边,变成11 将-30移到方程式右边,变成30
4x+10x = 143+11 27x-9x = 78+30
14x = 154 18x = 108
x = 11 x = 6
(9)5+x = 8x-107 (10)12x-26 = 9x-11
解析：将1x移到方程式右边,变成-x 解析：将9x移到方程式左边,变成-9x 将-107移到方程式左边,变成107 将-26移到方程式右边,变成26
107+5 = 8x-x 12x-9x = -11+26
112 = 7x 3x = 15
两边交换得x = 16 x = 5
(11)19-2x = 25-5x (12)10x-21 = 530-9x
解析：将-5x移到方程式左边,变成5x 解析：将-9x移到方程式左边,变成9x 将19移到方程式右边,变成-19 将-21移到方程式右边,变成21
5x-2x = 25-19 9x+10x = 530+21
3x = 6 19x = 551
x = 2 x = 29
(13)18x-15 = 42-x (14)19+26x = 643+2x
解析：将-x移到方程式左边,变成1x 解析：将2x移到方程式左边,变成-2x 将-15移到方程式右边,变成15 将19移到方程式右边,变成-19
1x+18x = 42+15 26x-2x = 643-19
19x = 57 24x = 624
x = 3 x = 26
(15)17-6x = 6x-115 (16)10+17x = 374+3x
解析：将-6x移到方程式右边,变成6x 解析：将3x移到方程式左边,变成-3x 将-115移到方程式左边,变成115 将10移到方程式右边,变成-10
115+17 = 6x+6x 17x-3x = 374-10
132 = 12x 14x = 364
两边交换得x = 11 x = 26
(17)4x-2 = 7x-32 (18)11+2x = 203-10x
解析：将4x移到方程式右边,变成-4x 解析：将-10x移到方程式左边,变成10x 将-32移到方程式左边,变成32 将11移到方程式右边,变成-11
32-2 = 7x-4x 10x+2x = 203-11
30 = 3x 12x = 192
两边交换得x = 10 x = 16
(19)11x-17 = 172+2x (20)3x-10 = 2x-3
解析：将2x移到方程式左边,变成-2x 解析：将2x移到方程式左边,变成-2x 将-17移到方程式右边,变成17 将-10移到方程式右边,变成10
11x-2x = 172+17 3x-2x = -3+10
9x = 189 x = 7
x = 21
(21)4x-27 = 323-10x (22)21x-10 = 565-4x
解析：将-10x移到方程式左边,变成10x 解析：将-4x移到方程式左边,变成4x 将-27移到方程式右边,变成27 将-10移到方程式右边,变成10
10x+4x = 323+27 4x+21x = 565+10
14x = 350 25x = 575
x = 25 x = 23
(23)28x-16 = 306+5x (24)9-6x = 7x-225
解析：将5x移到方程式左边,变成-5x 解析：将-6x移到方程式右边,变成6x 将-16移到方程式右边,变成16 将-225移到方程式左边,变成225
28x-5x = 306+16 225+9 = 7x+6x
23x = 322 234 = 13x
x = 14 两边交换得x = 18
小学数学一元一次方程每日训练(4)答案
一、单边未知数
(1)3x-29 = 19 (2)3 = x-6
解析：将-29移到方程式右边,变成29 解析：将-6移到方程式左边,变成6
3x = 19+29 3+6 = x
3x = 48 9 = x
x = 16 两边交换得x = 9
x = 9
(3)7+29x = 877 (4)589 = 23x-9
解析：将7移到方程式右边,变成-7 解析：将-9移到方程式左边,变成9 29x = 877-7 589+9 = 23x
29x = 870 598 = 23x
x = 30 两边交换得23x = 598
x = 26
(5)12x-14 = 130 (6)30x-10 = 290
解析：将-14移到方程式右边,变成14 解析：将-10移到方程式右边,变成10 12x = 130+14 30x = 290+10
12x = 144 30x = 300
x = 12 x = 10
(7)101 = 6+5x (8)305 = 12x-7
解析：将6移到方程式左边,变成-6 解析：将-7移到方程式左边,变成7 101-6 = 5x 305+7 = 12x
95 = 5x 312 = 12x
两边交换得5x = 95 两边交换得12x = 312
x = 19 x = 26
(9)182 = 17x-5 (10)11+12x = 347
解析：将-5移到方程式左边,变成5 解析：将11移到方程式右边,变成-11 182+5 = 17x 12x = 347-11
187 = 17x 12x = 336
两边交换得17x = 187 x = 28
x = 11
(11)11x-20 = 13 (12)248 = 12x-4
解析：将-20移到方程式右边,变成20 解析：将-4移到方程式左边,变成4 11x = 13+20 248+4 = 12x
11x = 33 252 = 12x
x = 3 两边交换得12x = 252
x = 21
(13)18x-28 = 26 (14)16x-10 = 214
解析：将-28移到方程式右边,变成28 解析：将-10移到方程式右边,变成10 18x = 26+28 16x = 214+10
18x = 54 16x = 224
x = 3 x = 14
(15)x-8 = 5 (16)222 = 25x-3
解析：将-8移到方程式右边,变成8 解析：将-3移到方程式左边,变成3 x = 5+8 222+3 = 25x
x = 13 225 = 25x
x = 13 两边交换得25x = 225
x = 9
(17)3x-4 = 17 (18)387 = 7+20x
解析：将-4移到方程式右边,变成4 解析：将7移到方程式左边,变成-7
3x = 17+4 387-7 = 20x
3x = 21 380 = 20x
x = 7 两边交换得20x = 380
x = 19
(19)95 = 8x-17 (20)201 = 14x-23
解析：将-17移到方程式左边,变成17 解析：将-23移到方程式左边,变成23 95+17 = 8x 201+23 = 14x
112 = 8x 224 = 14x
两边交换得8x = 112 两边交换得14x = 224
x = 14 x = 16
(21)95 = 12x-1 (22)269 = 17x-20
解析：将-1移到方程式左边,变成1 解析：将-20移到方程式左边,变成20 95+1 = 12x 269+20 = 17x
96 = 12x 289 = 17x
两边交换得12x = 96 两边交换得17x = 289
x = 8 x = 17
(23)99 = 27+4x (24)419 = 23x-18
解析：将27移到方程式左边,变成-27 解析：将-18移到方程式左边,变成18 99-27 = 4x 419+18 = 23x
72 = 4x 437 = 23x
两边交换得4x = 72 两边交换得23x = 437
x = 18 x = 19
二、双边未知数
(1)17x-27 = 441-9x (2)11x-4 = 26+x
解析：将-9x移到方程式左边,变成9x 解析：将1x移到方程式左边,变成-x 将-27移到方程式右边,变成27 将-4移到方程式右边,变成4
9x+17x = 441+27 11x-x = 26+4
26x = 468 10x = 30
x = 18 x = 3
(3)23+28x = 313-x (4)9x-8 = 64+3x
解析：将-x移到方程式左边,变成1x 解析：将3x移到方程式左边,变成-3x 将23移到方程式右边,变成-23 将-8移到方程式右边,变成8
1x+28x = 313-23 9x-3x = 64+8
29x = 290 6x = 72
x = 10 x = 12
(5)26+x = 134-5x (6)20x-22 = 818-10x
解析：将-5x移到方程式左边,变成5x 解析：将-10x移到方程式左边,变成10x 将26移到方程式右边,变成-26 将-22移到方程式右边,变成22
5x+x = 134-26 10x+20x = 818+22
6x = 108 30x = 840
x = 18 x = 28
(7)10x-11 = 143-4x (8)27x-30 = 78+9x
解析：将-4x移到方程式左边,变成4x 解析：将9x移到方程式左边,变成-9x 将-11移到方程式右边,变成11 将-30移到方程式右边,变成30
4x+10x = 143+11 27x-9x = 78+30
14x = 154 18x = 108
x = 11 x = 6
(9)5+x = 8x-107 (10)12x-26 = 9x-11
解析：将1x移到方程式右边,变成-x 解析：将9x移到方程式左边,变成-9x 将-107移到方程式左边,变成107 将-26移到方程式右边,变成26
107+5 = 8x-x 12x-9x = -11+26
112 = 7x 3x = 15
两边交换得x = 16 x = 5
(11)19-2x = 25-5x (12)10x-21 = 530-9x
解析：将-5x移到方程式左边,变成5x 解析：将-9x移到方程式左边,变成9x 将19移到方程式右边,变成-19 将-21移到方程式右边,变成21
5x-2x = 25-19 9x+10x = 530+21
3x = 6 19x = 551
x = 2 x = 29
(13)18x-15 = 42-x (14)19+26x = 643+2x
解析：将-x移到方程式左边,变成1x 解析：将2x移到方程式左边,变成-2x 将-15移到方程式右边,变成15 将19移到方程式右边,变成-19
1x+18x = 42+15 26x-2x = 643-19
19x = 57 24x = 624
x = 3 x = 26
(15)17-6x = 6x-115 (16)10+17x = 374+3x
解析：将-6x移到方程式右边,变成6x 解析：将3x移到方程式左边,变成-3x 将-115移到方程式左边,变成115 将10移到方程式右边,变成-10
115+17 = 6x+6x 17x-3x = 374-10
132 = 12x 14x = 364
两边交换得x = 11 x = 26
(17)4x-2 = 7x-32 (18)11+2x = 203-10x
解析：将4x移到方程式右边,变成-4x 解析：将-10x移到方程式左边,变成10x 将-32移到方程式左边,变成32 将11移到方程式右边,变成-11
32-2 = 7x-4x 10x+2x = 203-11
30 = 3x 12x = 192
两边交换得x = 10 x = 16
(19)11x-17 = 172+2x (20)3x-10 = 2x-3
解析：将2x移到方程式左边,变成-2x 解析：将2x移到方程式左边,变成-2x 将-17移到方程式右边,变成17 将-10移到方程式右边,变成10
11x-2x = 172+17 3x-2x = -3+10
9x = 189 x = 7
x = 21
(21)4x-27 = 323-10x (22)21x-10 = 565-4x
解析：将-10x移到方程式左边,变成10x 解析：将-4x移到方程式左边,变成4x 将-27移到方程式右边,变成27 将-10移到方程式右边,变成10
10x+4x = 323+27 4x+21x = 565+10
14x = 350 25x = 575
x = 25 x = 23
(23)28x-16 = 306+5x (24)9-6x = 7x-225
解析：将5x移到方程式左边,变成-5x 解析：将-6x移到方程式右边,变成6x 将-16移到方程式右边,变成16 将-225移到方程式左边,变成225
28x-5x = 306+16 225+9 = 7x+6x
23x = 322 234 = 13x
x = 14 两边交换得x = 18
小学数学一元一次方程每日训练(5)答案
一、单边未知数
(1)3x-29 = 19 (2)3 = x-6
解析：将-29移到方程式右边,变成29 解析：将-6移到方程式左边,变成6
3x = 19+29 3+6 = x
3x = 48 9 = x
x = 16 两边交换得x = 9
x = 9
(3)7+29x = 877 (4)589 = 23x-9
解析：将7移到方程式右边,变成-7 解析：将-9移到方程式左边,变成9 29x = 877-7 589+9 = 23x
29x = 870 598 = 23x
x = 30 两边交换得23x = 598
x = 26
(5)12x-14 = 130 (6)30x-10 = 290
解析：将-14移到方程式右边,变成14 解析：将-10移到方程式右边,变成10 12x = 130+14 30x = 290+10
12x = 144 30x = 300
x = 12 x = 10
(7)101 = 6+5x (8)305 = 12x-7
解析：将6移到方程式左边,变成-6 解析：将-7移到方程式左边,变成7 101-6 = 5x 305+7 = 12x
95 = 5x 312 = 12x
两边交换得5x = 95 两边交换得12x = 312
x = 19 x = 26
(9)182 = 17x-5 (10)11+12x = 347
解析：将-5移到方程式左边,变成5 解析：将11移到方程式右边,变成-11 182+5 = 17x 12x = 347-11
187 = 17x 12x = 336
两边交换得17x = 187 x = 28
x = 11
(11)11x-20 = 13 (12)248 = 12x-4
解析：将-20移到方程式右边,变成20 解析：将-4移到方程式左边,变成4 11x = 13+20 248+4 = 12x
11x = 33 252 = 12x
x = 3 两边交换得12x = 252
x = 21
(13)18x-28 = 26 (14)16x-10 = 214
解析：将-28移到方程式右边,变成28 解析：将-10移到方程式右边,变成10 18x = 26+28 16x = 214+10
18x = 54 16x = 224
x = 3 x = 14
(15)x-8 = 5 (16)222 = 25x-3
解析：将-8移到方程式右边,变成8 解析：将-3移到方程式左边,变成3 x = 5+8 222+3 = 25x
x = 13 225 = 25x
x = 13 两边交换得25x = 225
x = 9
(17)3x-4 = 17 (18)387 = 7+20x
解析：将-4移到方程式右边,变成4 解析：将7移到方程式左边,变成-7
3x = 17+4 387-7 = 20x
3x = 21 380 = 20x
x = 7 两边交换得20x = 380
x = 19
(19)95 = 8x-17 (20)201 = 14x-23
解析：将-17移到方程式左边,变成17 解析：将-23移到方程式左边,变成23 95+17 = 8x 201+23 = 14x
112 = 8x 224 = 14x
两边交换得8x = 112 两边交换得14x = 224
x = 14 x = 16
(21)95 = 12x-1 (22)269 = 17x-20
解析：将-1移到方程式左边,变成1 解析：将-20移到方程式左边,变成20 95+1 = 12x 269+20 = 17x
96 = 12x 289 = 17x
两边交换得12x = 96 两边交换得17x = 289
x = 8 x = 17
(23)99 = 27+4x (24)419 = 23x-18
解析：将27移到方程式左边,变成-27 解析：将-18移到方程式左边,变成18 99-27 = 4x 419+18 = 23x
72 = 4x 437 = 23x
两边交换得4x = 72 两边交换得23x = 437
x = 18 x = 19
二、双边未知数
(1)17x-27 = 441-9x (2)11x-4 = 26+x
解析：将-9x移到方程式左边,变成9x 解析：将1x移到方程式左边,变成-x 将-27移到方程式右边,变成27 将-4移到方程式右边,变成4
9x+17x = 441+27 11x-x = 26+4
26x = 468 10x = 30
x = 18 x = 3
(3)23+28x = 313-x (4)9x-8 = 64+3x
解析：将-x移到方程式左边,变成1x 解析：将3x移到方程式左边,变成-3x 将23移到方程式右边,变成-23 将-8移到方程式右边,变成8
1x+28x = 313-23 9x-3x = 64+8
29x = 290 6x = 72
x = 10 x = 12
(5)26+x = 134-5x (6)20x-22 = 818-10x
解析：将-5x移到方程式左边,变成5x 解析：将-10x移到方程式左边,变成10x 将26移到方程式右边,变成-26 将-22移到方程式右边,变成22
5x+x = 134-26 10x+20x = 818+22
6x = 108 30x = 840
x = 18 x = 28
(7)10x-11 = 143-4x (8)27x-30 = 78+9x
解析：将-4x移到方程式左边,变成4x 解析：将9x移到方程式左边,变成-9x 将-11移到方程式右边,变成11 将-30移到方程式右边,变成30
4x+10x = 143+11 27x-9x = 78+30
14x = 154 18x = 108
x = 11 x = 6
(9)5+x = 8x-107 (10)12x-26 = 9x-11
解析：将1x移到方程式右边,变成-x 解析：将9x移到方程式左边,变成-9x 将-107移到方程式左边,变成107 将-26移到方程式右边,变成26
107+5 = 8x-x 12x-9x = -11+26
112 = 7x 3x = 15
两边交换得x = 16 x = 5
(11)19-2x = 25-5x (12)10x-21 = 530-9x
解析：将-5x移到方程式左边,变成5x 解析：将-9x移到方程式左边,变成9x 将19移到方程式右边,变成-19 将-21移到方程式右边,变成21
5x-2x = 25-19 9x+10x = 530+21
3x = 6 19x = 551
x = 2 x = 29
(13)18x-15 = 42-x (14)19+26x = 643+2x
解析：将-x移到方程式左边,变成1x 解析：将2x移到方程式左边,变成-2x 将-15移到方程式右边,变成15 将19移到方程式右边,变成-19
1x+18x = 42+15 26x-2x = 643-19
19x = 57 24x = 624
x = 3 x = 26
(15)17-6x = 6x-115 (16)10+17x = 374+3x
解析：将-6x移到方程式右边,变成6x 解析：将3x移到方程式左边,变成-3x 将-115移到方程式左边,变成115 将10移到方程式右边,变成-10
115+17 = 6x+6x 17x-3x = 374-10
132 = 12x 14x = 364
两边交换得x = 11 x = 26
(17)4x-2 = 7x-32 (18)11+2x = 203-10x
解析：将4x移到方程式右边,变成-4x 解析：将-10x移到方程式左边,变成10x 将-32移到方程式左边,变成32 将11移到方程式右边,变成-11
32-2 = 7x-4x 10x+2x = 203-11
30 = 3x 12x = 192
两边交换得x = 10 x = 16
(19)11x-17 = 172+2x (20)3x-10 = 2x-3
解析：将2x移到方程式左边,变成-2x 解析：将2x移到方程式左边,变成-2x 将-17移到方程式右边,变成17 将-10移到方程式右边,变成10
11x-2x = 172+17 3x-2x = -3+10
9x = 189 x = 7
x = 21
(21)4x-27 = 323-10x (22)21x-10 = 565-4x
解析：将-10x移到方程式左边,变成10x 解析：将-4x移到方程式左边,变成4x 将-27移到方程式右边,变成27 将-10移到方程式右边,变成10
10x+4x = 323+27 4x+21x = 565+10
14x = 350 25x = 575
x = 25 x = 23
(23)28x-16 = 306+5x (24)9-6x = 7x-225
解析：将5x移到方程式左边,变成-5x 解析：将-6x移到方程式右边,变成6x 将-16移到方程式右边,变成16 将-225移到方程式左边,变成225
28x-5x = 306+16 225+9 = 7x+6x
23x = 322 234 = 13x
x = 14 两边交换得x = 18。