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-86=-30+4x
We move all terms to the left:
-86-(-30+4x)=0
We add all the numbers together, and all the variables
-(4x-30)-86=0
We get rid of parentheses
-4x+30-86=0
We add all the numbers together, and all the variables
-4x-56=0
We move all terms containing x to the left, all other terms to the right
-4x=56
x=56/-4
x=-14
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