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8x-4=-2(8x-4)
We move all terms to the left:
8x-4-(-2(8x-4))=0
We calculate terms in parentheses: -(-2(8x-4)), so:We get rid of parentheses
-2(8x-4)
We multiply parentheses
-16x+8
Back to the equation:
-(-16x+8)
8x+16x-8-4=0
We add all the numbers together, and all the variables
24x-12=0
We move all terms containing x to the left, all other terms to the right
24x=12
x=12/24
x=1/2
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