3y+2(y-9)=12

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Solution for 3y+2(y-9)=12 equation: 



3y+2(y-9)=12

We move all terms to the left:

3y+2(y-9)-(12)=0

We multiply parentheses

3y+2y-18-12=0

We add all the numbers together, and all the variables

5y-30=0

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

5y=30

y=30/5

y=6

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