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)-9=0

We multiply parentheses

-6y-9=0

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

-6y=9

y=9/-6

y=-1+1/2

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