8y-31=3(y-7)

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Solution for 8y-31=3(y-7) equation:



8y-31=3(y-7)
We move all terms to the left:
8y-31-(3(y-7))=0
We calculate terms in parentheses: -(3(y-7)), so:
3(y-7)
We multiply parentheses
3y-21
Back to the equation:
-(3y-21)
We get rid of parentheses
8y-3y+21-31=0
We add all the numbers together, and all the variables
5y-10=0
We move all terms containing y to the left, all other terms to the right
5y=10
y=10/5
y=2

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