3(3y+9)=12y

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Solution for 3(3y+9)=12y equation: 



3(3y+9)=12y

We move all terms to the left:

3(3y+9)-(12y)=0

We add all the numbers together, and all the variables

-12y+3(3y+9)=0

We multiply parentheses

-12y+9y+27=0

We add all the numbers together, and all the variables

-3y+27=0

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

-3y=-27

y=-27/-3

y=+9

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