3y-45=9(y-7)

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Solution for 3y-45=9(y-7) equation: 



3y-45=9(y-7)

We move all terms to the left:

3y-45-(9(y-7))=0



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

9(y-7)

We multiply parentheses

9y-63

Back to the equation:

-(9y-63)



We get rid of parentheses

3y-9y+63-45=0

We add all the numbers together, and all the variables

-6y+18=0

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

-6y=-18

y=-18/-6

y=+3

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