-3+9q=15+7q

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Solution for -3+9q=15+7q equation: 



-3+9q=15+7q

We move all terms to the left:

-3+9q-(15+7q)=0

We add all the numbers together, and all the variables

9q-(7q+15)-3=0

We get rid of parentheses

9q-7q-15-3=0

We add all the numbers together, and all the variables

2q-18=0

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

2q=18

q=18/2

q=9

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