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n-31/2=-31/2
We move all terms to the left:
n-31/2-(-31/2)=0
We get rid of parentheses
n-31/2+31/2=0
We multiply all the terms by the denominator
n*2-31+31=0
We add all the numbers together, and all the variables
n*2=0
Wy multiply elements
2n=0
n=0/2
n=0
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