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66=4(2x+4)
We move all terms to the left:
66-(4(2x+4))=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+66=0
We add all the numbers together, and all the variables
-8x+50=0
We move all terms containing x to the left, all other terms to the right
-8x=-50
x=-50/-8
x=6+1/4
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