5y-42=8(y-9)

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Solution for 5y-42=8(y-9) equation: 



5y-42=8(y-9)

We move all terms to the left:

5y-42-(8(y-9))=0



We calculate terms in parentheses: -(8(y-9)), so:

8(y-9)

We multiply parentheses

8y-72

Back to the equation:

-(8y-72)



We get rid of parentheses

5y-8y+72-42=0

We add all the numbers together, and all the variables

-3y+30=0

We move all terms containing y to the left, all other terms to the right

-3y=-30

y=-30/-3

y=+10

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