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20.5/30.5=n/2
We move all terms to the left:
20.5/30.5-(n/2)=0
We add all the numbers together, and all the variables
-(+n/2)+20.5/30.5=0
We get rid of parentheses
-n/2+20.5/30.5=0
We calculate fractions
There is no solution for this equation
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