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-7y+48=-2(y-4)
We move all terms to the left:
-7y+48-(-2(y-4))=0
We calculate terms in parentheses: -(-2(y-4)), so:We get rid of parentheses
-2(y-4)
We multiply parentheses
-2y+8
Back to the equation:
-(-2y+8)
-7y+2y-8+48=0
We add all the numbers together, and all the variables
-5y+40=0
We move all terms containing y to the left, all other terms to the right
-5y=-40
y=-40/-5
y=+8
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