-3=-3(y-9)

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



-3=-3(y-9)

We move all terms to the left:

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



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

-3(y-9)

We multiply parentheses

-3y+27

Back to the equation:

-(-3y+27)



We get rid of parentheses

3y-27-3=0

We add all the numbers together, and all the variables

3y-30=0

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

3y=30

y=30/3

y=10

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