7y-9=2(5y+6)

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Solution for 7y-9=2(5y+6) equation: 



7y-9=2(5y+6)

We move all terms to the left:

7y-9-(2(5y+6))=0



We calculate terms in parentheses: -(2(5y+6)), so:

2(5y+6)

We multiply parentheses

10y+12

Back to the equation:

-(10y+12)



We get rid of parentheses

7y-10y-12-9=0

We add all the numbers together, and all the variables

-3y-21=0

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

-3y=21

y=21/-3

y=-7

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