20/60=12/r=

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Solution for 20/60=12/r= equation: 



20/60=12/r=

We move all terms to the left:

20/60-(12/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

-(+12/r)+20/60=0

We get rid of parentheses

-12/r+20/60=0

We calculate fractions

There is no solution for this equation

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