-3(3y+7)=-12

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Solution for -3(3y+7)=-12 equation: 



-3(3y+7)=-12

We move all terms to the left:

-3(3y+7)-(-12)=0

We add all the numbers together, and all the variables

-3(3y+7)+12=0

We multiply parentheses

-9y-21+12=0

We add all the numbers together, and all the variables

-9y-9=0

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

-9y=9

y=9/-9

y=-1

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