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21/5n=31/10
We move all terms to the left:
21/5n-(31/10)=0
Domain of the equation: 5n!=0We add all the numbers together, and all the variables
n!=0/5
n!=0
n∈R
21/5n-(+31/10)=0
We get rid of parentheses
21/5n-31/10=0
We calculate fractions
There is no solution for this equation
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