9y=-9y-3(-7y-1)

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Solution for 9y=-9y-3(-7y-1) equation: 



9y=-9y-3(-7y-1)

We move all terms to the left:

9y-(-9y-3(-7y-1))=0



We calculate terms in parentheses: -(-9y-3(-7y-1)), so:

-9y-3(-7y-1)

We multiply parentheses

-9y+21y+3

We add all the numbers together, and all the variables

12y+3

Back to the equation:

-(12y+3)



We get rid of parentheses

9y-12y-3=0

We add all the numbers together, and all the variables

-3y-3=0

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

-3y=3

y=3/-3

y=-1

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