13=11+3/u

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Solution for 13=11+3/u equation: 



13=11+3/u

We move all terms to the left:

13-(11+3/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

-(3/u+11)+13=0

We get rid of parentheses

-3/u-11+13=0

We multiply all the terms by the denominator


-11*u+13*u-3=0

We add all the numbers together, and all the variables

2u-3=0

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

2u=3

u=3/2

u=1+1/2

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