28=(4/9)u

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Solution for 28=(4/9)u equation: 



28=(4/9)u

We move all terms to the left:

28-((4/9)u)=0



Domain of the equation: 9)u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-((+4/9)u)+28=0

We multiply all the terms by the denominator


-((+4+28*9)u)=0



We calculate terms in parentheses: -((+4+28*9)u), so:

(+4+28*9)u

We add all the numbers together, and all the variables

256u

Back to the equation:

-(256u)



u=0/-256

u=0

Równanie nie ma rozwiązania

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