4=y/3+9

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Solution for 4=y/3+9 equation: 



4=y/3+9

We move all terms to the left:

4-(y/3+9)=0

We get rid of parentheses

-y/3-9+4=0

We multiply all the terms by the denominator


-y-9*3+4*3=0

We add all the numbers together, and all the variables

-1y-15=0

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

-y=15

y=15/-1

y=-15

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