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8y-4=4(2y-1)
We move all terms to the left:
8y-4-(4(2y-1))=0
We calculate terms in parentheses: -(4(2y-1)), so:We get rid of parentheses
4(2y-1)
We multiply parentheses
8y-4
Back to the equation:
-(8y-4)
8y-8y+4-4=0
We add all the numbers together, and all the variables
=0
y=0/1
y=0
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