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