3(y+1)=-12

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Solution for 3(y+1)=-12 equation: 



3(y+1)=-12

We move all terms to the left:

3(y+1)-(-12)=0

We add all the numbers together, and all the variables

3(y+1)+12=0

We multiply parentheses

3y+3+12=0

We add all the numbers together, and all the variables

3y+15=0

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

3y=-15

y=-15/3

y=-5

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