-3(7+2y)=9

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Solution for -3(7+2y)=9 equation: 



-3(7+2y)=9

We move all terms to the left:

-3(7+2y)-(9)=0

We add all the numbers together, and all the variables

-3(2y+7)-9=0

We multiply parentheses

-6y-21-9=0

We add all the numbers together, and all the variables

-6y-30=0

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

-6y=30

y=30/-6

y=-5

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