-y+6-2y=3(y+6)

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Solution for -y+6-2y=3(y+6) equation: 



-y+6-2y=3(y+6)

We move all terms to the left:

-y+6-2y-(3(y+6))=0

We add all the numbers together, and all the variables

-3y-(3(y+6))+6=0



We calculate terms in parentheses: -(3(y+6)), so:

3(y+6)

We multiply parentheses

3y+18

Back to the equation:

-(3y+18)



We get rid of parentheses

-3y-3y-18+6=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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