3=3-4/u

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Solution for 3=3-4/u equation: 



3=3-4/u

We move all terms to the left:

3-(3-4/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

-(-4/u+3)+3=0

We get rid of parentheses

4/u-3+3=0

We multiply all the terms by the denominator


-3*u+3*u+4=0

We add all the numbers together, and all the variables

4!=0

There is no solution for this equation

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