7/13=9/u

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Solution for 7/13=9/u equation: 



7/13=9/u

We move all terms to the left:

7/13-(9/u)=0



Domain of the equation: u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-(+9/u)+7/13=0

We get rid of parentheses

-9/u+7/13=0

We calculate fractions

There is no solution for this equation

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