7q-9=12

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Solution for 7q-9=12 equation:



7q-9=12
We move all terms to the left:
7q-9-(12)=0
We add all the numbers together, and all the variables
7q-21=0
We move all terms containing q to the left, all other terms to the right
7q=21
q=21/7
q=3

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