12-3q=9

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Solution for 12-3q=9 equation: 



12-3q=9

We move all terms to the left:

12-3q-(9)=0

We add all the numbers together, and all the variables

-3q+3=0

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

-3q=-3

q=-3/-3

q=1

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