2x-2=-6x-9
8x=-7
x=-7/8
4x+3(2x-3)=12-(x+4)
4x+6x-9=12-x-4
10x-9=8-x
11x=17
x=17/11
4-3(20-x)=3
4-60+3x=3
3x=59
x=59/3