91=7/u

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Solution for 91=7/u equation: 



91=7/u

We move all terms to the left:

91-(7/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

-(+7/u)+91=0

We get rid of parentheses

-7/u+91=0

We multiply all the terms by the denominator


91*u-7=0

We add all the numbers together, and all the variables

91u-7=0

We move all terms containing u to the left, all other terms to the right

91u=7

u=7/91

u=1/13

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