7=91/u

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Solution for 7=91/u equation: 



7=91/u

We move all terms to the left:

7-(91/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

-(+91/u)+7=0

We get rid of parentheses

-91/u+7=0

We multiply all the terms by the denominator


7*u-91=0

We add all the numbers together, and all the variables

7u-91=0

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

7u=91

u=91/7

u=13

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