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-486=8(7x+2)+2
We move all terms to the left:
-486-(8(7x+2)+2)=0
We calculate terms in parentheses: -(8(7x+2)+2), so:We get rid of parentheses
8(7x+2)+2
We multiply parentheses
56x+16+2
We add all the numbers together, and all the variables
56x+18
Back to the equation:
-(56x+18)
-56x-18-486=0
We add all the numbers together, and all the variables
-56x-504=0
We move all terms containing x to the left, all other terms to the right
-56x=504
x=504/-56
x=-9
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