4/10=8/r

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Solution for 4/10=8/r equation: 



4/10=8/r

We move all terms to the left:

4/10-(8/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

-(+8/r)+4/10=0

We get rid of parentheses

-8/r+4/10=0

We calculate fractions

There is no solution for this equation

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