4m+3-3m=04
y-=3-15
4q-3(20-q)=6q-7(9-q)16
211011412xxx;17
2(21)2(1)3(3)xxx
9-3x=2(1-x);28
-3=-;29
4(x-2)-[5(1-2x)-4(5x-1)]=0;32
(5x+1)=(9x+1)-(1-x)35
4(x-2)-[5(1-2x)-4(5x-1)]=0;37
(5x+1)=(9x+1)-(1-x)40
7-2x=3-4x42
4(1-x)=x-143
2(y+2)-3(4y-1)=9(1-y)44
x-5=3-x55
(y+1)+(y+2)=3-(y+3)56
x+(200-x)=200×657
[x-(x-1)]=(x-1)59
5-=060
-=2-61
(1-x)-(2-)=262
[(x-)-3]-2=x63
-2x+1=1365
2x+5=5x-776
3(x-2)=2-5(x-2)877