8y-42=-9(y-1)

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Solution for 8y-42=-9(y-1) equation: 



8y-42=-9(y-1)

We move all terms to the left:

8y-42-(-9(y-1))=0



We calculate terms in parentheses: -(-9(y-1)), so:

-9(y-1)

We multiply parentheses

-9y+9

Back to the equation:

-(-9y+9)



We get rid of parentheses

8y+9y-9-42=0

We add all the numbers together, and all the variables

17y-51=0

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

17y=51

y=51/17

y=3

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