七年级上解方程50道

七年级上解方程50道

1.7(2x-1)-3(4x-1)=4(3x+2)-1;

2..(5y+1)+(1-y)=(9y+1)+(1-3y);

3.20%+(1-20%)(320-x)=320×40%

4.2(x-2)+2=x+1

5.2(x-2)-3(4x-1)=9(1-x)

6.x/3-5=(5-x)/2

7.2(x+1)/3=5(x+1)/6-1

8.(1/5)x+1=(2x+1)/4

9.(5-2)/2-(4+x)/3=1

10.x/3-1=(1-x)/2

11.(x-2)/2-(3x-2)/4=-1

12.11x+64-2x=100-9x

13.15-(8-5x)=7x+(4-3x)

14.3(x-7)-2[9-4(2-x)]=22

15.3/2[2/3(1/4x-1)-2]-x=2

16.2(x-2)-3(4x-1)=9(1-x)

17.11x+64-2x=100-9x

18.15-(8-5x)=7x+(4-3x)

19.3(x-7)-2[9-4(2-x)]=22

20.3/2[2/3(1/4x-1)-2]-x=2

21.2(x-2)+2=x+1

1.7(2x-1)-3(4x-1)=4(3x+2)-1

2.(5y+1)+(1-y)=(9y+1)+(1-3y)

3.[(-2)-4]=x+2

4.20%+(1-20%)(320-x)=320×40%

5.2(x-2)+2=x+1

6.2(x-2)-3(4x-1)=9(1-x)

7.11x+64-2x=100-9x

8.15-(8-5x)=7x+(4-3x)

9.3(x-7)-2[9-4(2-x)]=22

10.3/2[2/3(1/4x-1)-2]-x=2

11.5x+1-2x=3x-2

12.3y-4=2y+1

13.87X*13=5

14.7Z/93=41

15.15X+863-65X=54

16.58Y*55=27489

17.2（x+2）+4=9

18.2(x+4)=10

19.3(x-5)=18

20.4x+8=2(x-1)

21.3(x+3)=9+x

22.6(x/2+1)=12

23.9(x+6)=63

24.2+x=2(x-1/2)

25.8x+3(1-x)=-2

26.7+x-2(x-1)=1

27.x/3-5=(5-x)/2

28.2(x+1)/3=5(x+1)/6-1

29.(1/5)x+1=(2x+1)/4

30.(5-2)/2-(4+x)/3=1

15x-8(5x+1.5)=18*1.25+x 3X+189=521

4Y+119=22

3X*189=5

8Z/6=458

3X+77=59

4Y-6985=81

87X*13=5

7Z/93=41

15X+863-65X=54

58Y*55=27489

1.2(x-2)-3(4x-1)=9(1-x)

2.11x+64-2x=100-9x

3.15-(8-5x)=7x+(4-3x)

4.3(x-7)-2[9-4(2-x)]=22

5.3/2[2/3(1/4x-1)-2]-x=2

6.2(x-2)+2=x+1

7.0.4(x-0.2)+1.5=0.7x-0.38

8.30x-10(10-x)=100

9.4(x+2)=5(x-2)

10.120-4(x+5)=25

11.15x+863-65x=54

12.12.3(x-2)+1=x-(2x-1)

13.11x+64-2x=100-9x

14.14.59+x-25.31=0

15.x-48.32+78.51=80

16.820-16x=45.5×8

17.(x-6)×7=2x

18.3x+x=18

19.0.8+3.2=7.2

20.12.5-3x=6.5

21.1.2(x-0.64)=0.54

22.x+12.5=3.5x

23.8x-22.8=1.2

24.1\50x+10=60

25.2\60x-30=20

26.3\3^20x+50=110

27.4\2x=5x-3

28.5\90=10+x

29.6\90+20x=30

30.7\691+3x=700