12=y/2+9

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Solution for 12=y/2+9 equation: 



12=y/2+9

We move all terms to the left:

12-(y/2+9)=0

We get rid of parentheses

-y/2-9+12=0

We multiply all the terms by the denominator


-y-9*2+12*2=0

We add all the numbers together, and all the variables

-1y+6=0

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

-y=-6

y=-6/-1

y=+6

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