12-2y=2(y+9)

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



12-2y=2(y+9)

We move all terms to the left:

12-2y-(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

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

We add all the numbers together, and all the variables

-4y-6=0

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

-4y=6

y=6/-4

y=-1+1/2

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