12-(4y)=2(y+9)

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Solution for 12-(4y)=2(y+9) equation: 



12-(4y)=2(y+9)

We move all terms to the left:

12-(4y)-(2(y+9))=0



We calculate terms in parentheses: -(2(y+9)), so:

2(y+9)

We multiply parentheses

2y+18

Back to the equation:

-(2y+18)



We get rid of parentheses

-4y-2y-18+12=0

We add all the numbers together, and all the variables

-6y-6=0

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

-6y=6

y=6/-6

y=-1

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