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21/14=3/n
We move all terms to the left:
21/14-(3/n)=0
Domain of the equation: n)!=0We add all the numbers together, and all the variables
n!=0/1
n!=0
n∈R
-(+3/n)+21/14=0
We get rid of parentheses
-3/n+21/14=0
We calculate fractions
There is no solution for this equation