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2=20+7q
We move all terms to the left:
2-(20+7q)=0
We add all the numbers together, and all the variables
-(7q+20)+2=0
We get rid of parentheses
-7q-20+2=0
We add all the numbers together, and all the variables
-7q-18=0
We move all terms containing q to the left, all other terms to the right
-7q=18
q=18/-7
q=-2+4/7
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