3q-9q=-18

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Solution for 3q-9q=-18 equation: 



3q-9q=-18

We move all terms to the left:

3q-9q-(-18)=0

We add all the numbers together, and all the variables

-6q+18=0

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

-6q=-18

q=-18/-6

q=+3

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