初一解方程计算题 21道 初一数学解方程计算题及答案（100道）

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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\u00d78
17. (x-6)\u00d77=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
[1]2\u2014\uff081\u2014y\uff09=\u20142
2-1+y=--2
y=-2-2+1=-3

\uff082\uff095\u2014\uff08x\u20141\uff09=3\u20143x
5-x+1=3-3x
2x=3-1-5
2x=-3
x=-1.5

\uff083\uff093\u20142\uff082x+1\uff09=2\uff08x\u20143\uff09
3-4x-2=2x-6
6x=3-2+6
6x=7
x=7/6

\uff084\uff094x\u20143\uff0820\u2014x\uff09=6x\u20147\uff089\u2014x\uff09
4x-60+3x=6x-63+7x
7x-60=13x-63
6x=3
x=0.5

\uff085\uff0912\uff082\u20143x\uff09=4x+4
24-36x=4x+4
40x=20
x=0.5

\uff086\uff092\uff08200\u201415x\uff09=70+25x
400-30x=70+25x
55x=330
x=6

\uff087\uff094x\u20143\uff0820\u2014x\uff09+4=0
4x-60+3x+4=0
7x=60-4=56
x=8

\uff088\uff091\u20143\uff088\u2014x\uff09=\u20142\uff0815\u20142x\uff09
1-24+3x=-30+4x
x=1-24+30
x=7
\uff089\uff092-(1-y)=-2
2-1+y=-2
1+y=-2
y=-3

\uff0810\uff095-\uff08x-1)=3-3x
5-x+1=3-3x
6-x=3-3x
-x+3x=3-6
x=-1.5

374x=360+587 \u8fd9\u6837\u51fa\u5c31\u884c 50X=60\uff08X-3)
50X=60X-180
180=10X
X=180

7(2x-1)-3(4x-1)=4(3x+2)-1;

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

20%+(1-20%)(320-x)=320×40%

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

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

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

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

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

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

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

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

11x+64-2x=100-9x

15-(8-5x)=7x+(4-3x)

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

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

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

11x+64-2x=100-9x

15-(8-5x)=7x+(4-3x)

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

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

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

7(2x-1)-3(4x-1)=4(3x+2)-1
(5y+1)+ (1-y)= (9y+1)+ (1-3y)
[ (- 2)-4 ]=x+2
20%+(1-20%)(320-x)=320×40%
2(x-2)+2=x+1
6.2(x-2)-3(4x-1)=9(1-x)
7.11x+64-2x=100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=22
3/2[2/3(1/4x-1)-2]-x=2
5x+1-2x=3x-2
3y-4=2y+1
87X*13=5
7Z/93=41
15X+863-65X=54
58Y*55=27489
2（x+2）+4=9
2(x+4)=10
3(x-5)=18
4x+8=2(x-1)
3(x+3)=9+x
6(x/2+1)=12
9(x+6)=63
2+x=2(x-1/2)
8x+3(1-x)=-2
7+x-2(x-1)=1
x/3 -5 = (5-x)/2
2(x+1) /3=5(x+1) /6 -1
(1/5)x +1 =(2x+1)/4
(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
2(x-2)-3(4x-1)=9(1-x)
11x+64-2x=100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=22
3/2[2/3(1/4x-1)-2]-x=2
2(x-2)+2=x+1
0.4(x-0.2)+1.5=0.7x-0.38
30x-10(10-x)=100
4(x+2)=5(x-2)
120-4(x+5)=25
15x+863-65x=54
3(x-2)+1=x-(2x-1)
11x+64-2x=100-9x
14.59+x-25.31=0
x-48.32+78.51=80
820-16x=45.5×8
(x-6)×7=2x
3x+x=18
0.8+3.2=7.2
12.5-3x=6.5
1.2(x-0.64)=0.54
x+12.5=3.5x
8x-22.8=1.2
1\ 50x+10=60
2\ 60x-30=20
3\ 3^20x+50=110
4\ 2x=5x-3
5\ 90=10+x
6\ 90+20x=30
7\ 691+3x=700
2x-10.3x=15
0.52x-(1-0.52)x=80
x/2+3x/2=7
3x+7=32-2x
3x+5(138-x)=540
3x-7(x-1)=3-2(x+3)
18x+3x-3=18-2(2x-1)
3(20-y)=6y-4(y-11)
-(x/4-1)=5
3[4(5y-1)-8]=6
-3x-6x2=7
5x+1-2x=3x-2
3y-4=2y+1
3y-4=y+3
3y-y=3+4
0.4x-3=0.1x+2
5x+15-2x-2=10
2x-4+5-5x=-1
3X+189=521
4Y+119=22
3X*189=5
8Z/6=458
3X+77=59
4Y-6985=81

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