3y-9=5(2y+4)

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Solution for 3y-9=5(2y+4) equation: 



3y-9=5(2y+4)

We move all terms to the left:

3y-9-(5(2y+4))=0



We calculate terms in parentheses: -(5(2y+4)), so:

5(2y+4)

We multiply parentheses

10y+20

Back to the equation:

-(10y+20)



We get rid of parentheses

3y-10y-20-9=0

We add all the numbers together, and all the variables

-7y-29=0

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

-7y=29

y=29/-7

y=-4+1/7

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