-9=3(y-7)-5y

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Solution for -9=3(y-7)-5y equation: 



-9=3(y-7)-5y

We move all terms to the left:

-9-(3(y-7)-5y)=0



We calculate terms in parentheses: -(3(y-7)-5y), so:

3(y-7)-5y

We add all the numbers together, and all the variables

-5y+3(y-7)

We multiply parentheses

-5y+3y-21

We add all the numbers together, and all the variables

-2y-21

Back to the equation:

-(-2y-21)



We get rid of parentheses

2y+21-9=0

We add all the numbers together, and all the variables

2y+12=0

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

2y=-12

y=-12/2

y=-6

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