3(3y-3)=12

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Solution for 3(3y-3)=12 equation: 



3(3y-3)=12

We move all terms to the left:

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

We multiply parentheses

9y-9-12=0

We add all the numbers together, and all the variables

9y-21=0

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

9y=21

y=21/9

y=2+1/3

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