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30=2q-3
We move all terms to the left:
30-(2q-3)=0
We get rid of parentheses
-2q+3+30=0
We add all the numbers together, and all the variables
-2q+33=0
We move all terms containing q to the left, all other terms to the right
-2q=-33
q=-33/-2
q=16+1/2
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