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-2x-42=-8(x-1)
We move all terms to the left:
-2x-42-(-8(x-1))=0
We calculate terms in parentheses: -(-8(x-1)), so:We get rid of parentheses
-8(x-1)
We multiply parentheses
-8x+8
Back to the equation:
-(-8x+8)
-2x+8x-8-42=0
We add all the numbers together, and all the variables
6x-50=0
We move all terms containing x to the left, all other terms to the right
6x=50
x=50/6
x=8+1/3
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