-2y-9+8y=3(4y-9)

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Solution for -2y-9+8y=3(4y-9) equation: 



-2y-9+8y=3(4y-9)

We move all terms to the left:

-2y-9+8y-(3(4y-9))=0

We add all the numbers together, and all the variables

6y-(3(4y-9))-9=0



We calculate terms in parentheses: -(3(4y-9)), so:

3(4y-9)

We multiply parentheses

12y-27

Back to the equation:

-(12y-27)



We get rid of parentheses

6y-12y+27-9=0

We add all the numbers together, and all the variables

-6y+18=0

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

-6y=-18

y=-18/-6

y=+3

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