4=9(3-y)

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Solution for 4=9(3-y) equation: 



4=9(3-y)

We move all terms to the left:

4-(9(3-y))=0

We add all the numbers together, and all the variables

-(9(-1y+3))+4=0



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

9(-1y+3)

We multiply parentheses

-9y+27

Back to the equation:

-(-9y+27)



We get rid of parentheses

9y-27+4=0

We add all the numbers together, and all the variables

9y-23=0

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

9y=23

y=23/9

y=2+5/9

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