15/20=9/r

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Solution for 15/20=9/r equation: 



15/20=9/r

We move all terms to the left:

15/20-(9/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

-(+9/r)+15/20=0

We get rid of parentheses

-9/r+15/20=0

We calculate fractions

There is no solution for this equation

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