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-102=6(5x-7)
We move all terms to the left:
-102-(6(5x-7))=0
We calculate terms in parentheses: -(6(5x-7)), so:We get rid of parentheses
6(5x-7)
We multiply parentheses
30x-42
Back to the equation:
-(30x-42)
-30x+42-102=0
We add all the numbers together, and all the variables
-30x-60=0
We move all terms containing x to the left, all other terms to the right
-30x=60
x=60/-30
x=-2
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