15=9-q/2

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Solution for 15=9-q/2 equation: 



15=9-q/2

We move all terms to the left:

15-(9-q/2)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

q/2-9+15=0

We multiply all the terms by the denominator


q-9*2+15*2=0

We add all the numbers together, and all the variables

q+12=0

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

q=-12

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