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-2(x-8)-4=-(x-7)
We move all terms to the left:
-2(x-8)-4-(-(x-7))=0
We multiply parentheses
-2x-(-(x-7))+16-4=0
We calculate terms in parentheses: -(-(x-7)), so:We add all the numbers together, and all the variables
-(x-7)
We get rid of parentheses
-x+7
We add all the numbers together, and all the variables
-1x+7
Back to the equation:
-(-1x+7)
-2x-(-1x+7)+12=0
We get rid of parentheses
-2x+1x-7+12=0
We add all the numbers together, and all the variables
-1x+5=0
We move all terms containing x to the left, all other terms to the right
-x=-5
x=-5/-1
x=+5
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