7q+9q-q=30

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Solution for 7q+9q-q=30 equation: 



7q+9q-q=30

We move all terms to the left:

7q+9q-q-(30)=0

We add all the numbers together, and all the variables

15q-30=0

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

15q=30

q=30/15

q=2

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