30-3y-9=17(3-y)

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Solution for 30-3y-9=17(3-y) equation: 



30-3y-9=17(3-y)

We move all terms to the left:

30-3y-9-(17(3-y))=0

We add all the numbers together, and all the variables

-3y-(17(-1y+3))+30-9=0

We add all the numbers together, and all the variables

-3y-(17(-1y+3))+21=0



We calculate terms in parentheses: -(17(-1y+3)), so:

17(-1y+3)

We multiply parentheses

-17y+51

Back to the equation:

-(-17y+51)



We get rid of parentheses

-3y+17y-51+21=0

We add all the numbers together, and all the variables

14y-30=0

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

14y=30

y=30/14

y=2+1/7

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