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21/2=31/2=n
We move all terms to the left:
21/2-(31/2)=0
We add all the numbers together, and all the variables
21/2-(+31/2)=0
We get rid of parentheses
21/2-31/2=0
We multiply all the terms by the denominator
21-31=0
We add all the numbers together, and all the variables
-10!=0
There is no solution for this equation
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