1/5=3/r

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Solution for 1/5=3/r equation: 



1/5=3/r

We move all terms to the left:

1/5-(3/r)=0



Domain of the equation: r)!=0

r!=0/1

r!=0

r∈R



We add all the numbers together, and all the variables

-(+3/r)+1/5=0

We get rid of parentheses

-3/r+1/5=0

We calculate fractions

There is no solution for this equation

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