1) 4x+40=-12+6x-6x
4x=-52 --- x=13
2) x+1-3x+6=x+6
1=3x-------------- x= 1/3
3) 2x-2-6x+18=-1
-4x=-17 -------------- x=17/4
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1) 4x+40=-12+6x-6x
4x=-52 --- x=13
2) x+1-3x+6=x+6
1=3x-------------- x= 1/3
3) 2x-2-6x+18=-1
-4x=-17 -------------- x=17/4