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

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



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

We move all terms to the left:

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

We multiply parentheses

-3y-(3y+9)+21=0

We get rid of parentheses

-3y-3y-9+21=0

We add all the numbers together, and all the variables

-6y+12=0

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

-6y=-12

y=-12/-6

y=+2

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