-3(x-1)+8(x-3)=6x+7-5x
-3(x-1)+8(x-3)=6x+7-5x
-3x+3+8x-24=6x+7-5x
5x-21=6x+7-5x
5x-21=x+7
5x-x=21+7
4x=28
Dividing both sides by 4:
4x/4=28/4
x=7
-3x+3+8x-24=6x+7-5x
5x-21=6x+7-5x
5x-21=x+7
5x-x=21+7
4x=28
Dividing both sides by 4:
4x/4=28/4
x=7