-81=-3(-1-2y)

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Solution for -81=-3(-1-2y) equation: 



-81=-3(-1-2y)

We move all terms to the left:

-81-(-3(-1-2y))=0

We add all the numbers together, and all the variables

-(-3(-2y-1))-81=0



We calculate terms in parentheses: -(-3(-2y-1)), so:

-3(-2y-1)

We multiply parentheses

6y+3

Back to the equation:

-(6y+3)



We get rid of parentheses

-6y-3-81=0

We add all the numbers together, and all the variables

-6y-84=0

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

-6y=84

y=84/-6

y=-14

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