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
31 x+5=8
32 3x+5(138-x) = 540
33 x-5=3
34 2x-10.3x=15
35 0.52x-(1-0.52)x=80
36 x/2+3x/2=7
37 3x+7=32-2x
38 3x+5(138-x)=540
39 3x-7(x-1)=3-2(x+3)
40 18x+3x-3=18-2(2x-1)
41 3(20-y)=6y-4(y-11)
42 -(x/4-1)=5
43 3[4(5y-1)-8]=6
44 2(x-2)+2=x+1
45 2(x-2)-3(4x-1)=9(1-x)
46 x/3 -5 = (5-x)/2
47 2(x+1) /3=5(x+1) /6 -1
48 (1/5)x +1 =(2x+1)/4
49.10x+2(x-3)=30
50.5x+15=2x+30
一般方程
3X+18=52 x=34/3
4Y+11=22 y=11/4
3X*9=5 x=5/27
8Z/6=48 z=36
3X+7=59 x=52/3
4Y-69=81 y=75/4
8X*6=5 x=5/48
7Z/9=4 y=63/7
15X+8-5X=54 x=4.6
5Y*5=27 y=27/40
8x+2=10 x=1
x*8=88 x=11
y-90=1 y=91
2x-98=2 x=50
6x*6=12 x=1/3
5-6=5x x=-1/5
6*x=42 x=7
55-y=33 y=22
11*3x=60 x=20/11
8-y=2 y=-6
7(2x-1)-3(4x-1)=4(3x+2)-1;
14.59+x-25.31=0
x=10.72
x-48.32+78.51=80
x=49.81
820-16x=45.5×8
x=28.5
(x-6)×7=2x
x=8.4
3x+x=18
X=4.5
0.8x+2.2=6.6
x= 11
12.5-3x=6.5
x=2
1.2(x-0.64)=0.54
x=1.09
x+12.5=3.5x
x=5
8x-22.8=1.2
x=3
简便运算方程;
0.6x+x/10-0.2=6/5(答案解一元一次方程练习题:2)
2-(3x/8+1/6÷1/3)=35/24(答案:1/9)
3.5/105=x/33(答案:1.1)
7.5:x=24:12(答案:3.75)
1/3:x=5:6(答案:0.4)
2x/3-x/5=4.9(答案:10.5)
6.4x-2.4x=3.6(答案:0.9)
23×2.5+2.5x=100(答案:17)
1×2×3×4×5×6x=4×5×6×7×8(答案:28/3)
含过程方程:
(5y+1)+ (1-y)= (9y+1)+ (1-3y);
解: 5Y+1+1-Y=9Y+1+1-3Y
5Y-Y-9Y+3Y=1+1-1-1
-2Y=0
Y=0
2(x-2)+2=x+1
解:2X-2+2=X+1
2X-X=1+2-2
X=1
2(x-2)-3(4x-1)=9(1-x)
解:2X-4-12X+3=9-9X
2X-12X+9X=9+4-3
– X=10
X=-10
11x+64-2x=100-9x
解11X-2X+9X=100-64
18X=36
X=2
15-(8-5x)=7x+(4-3x)
解 15-8+5X=7X+4-3X
5X-7X+3X=4+8-15
X=-3
3(x-7)-2[9-4(2-x)]=22
解:3X-21-2[9-8+4X]=22
3X-21-18+16-8X=22
3X-8X=22+21+18-16
-5X=45
X= -9
3/2[2/3(1/4x-1)-2]-x=2
解:3/2[1/6X-2/3-2]-X=2
1/4X-1-3-X=2
1/4X-X=2+1+3
X= -8