5=8/u+4

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Solution for 5=8/u+4 equation: 



5=8/u+4

We move all terms to the left:

5-(8/u+4)=0



Domain of the equation: u+4)!=0

u∈R



We get rid of parentheses

-8/u-4+5=0

We multiply all the terms by the denominator


-4*u+5*u-8=0

We add all the numbers together, and all the variables

u-8=0

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

u=8

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