3-2(x-1)=4(-2x+3),2-(3x-4)=-4x,2(x-2)-6(x-1)=3(1-x)

问题描述:

3-2(x-1)=4(-2x+3),2-(3x-4)=-4x,2(x-2)-6(x-1)=3(1-x)
以上有3个方程

1.3-2(x-1)=4(-2x+3)
3-2x+2=-8x+12 6x=7 x=7/6
2.2-(3x-4)=-4x
2-3x+4=-4x x=-6
3.2(x-2)-6(x-1)=3(1-x)
2x-4-6x+6=3-3x x=-1