9y-3(y=4)=18

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Solution for 9y-3(y=4)=18 equation: 



9y-3(y=4)=18

We move all terms to the left:

9y-3(y-(4))=0

We multiply parentheses

9y-3y+12=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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