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3(8-2(-2-5))=12x+54
We move all terms to the left:
3(8-2(-2-5))-(12x+54)=0
We add all the numbers together, and all the variables
-(12x+54)+3(8-2(-7))=0
We add all the numbers together, and all the variables
-(12x+54)+66=0
We get rid of parentheses
-12x-54+66=0
We add all the numbers together, and all the variables
-12x+12=0
We move all terms containing x to the left, all other terms to the right
-12x=-12
x=-12/-12
x=1
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