15=9+x/2

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Solution for 15=9+x/2 equation: 



15=9+x/2

We move all terms to the left:

15-(9+x/2)=0

We add all the numbers together, and all the variables

-(x/2+9)+15=0

We get rid of parentheses

-x/2-9+15=0

We multiply all the terms by the denominator


-x-9*2+15*2=0

We add all the numbers together, and all the variables

-1x+12=0

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

-x=-12

x=-12/-1

x=+12

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