9=(3/7)u

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Solution for 9=(3/7)u equation: 



9=(3/7)u

We move all terms to the left:

9-((3/7)u)=0



Domain of the equation: 7)u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-((+3/7)u)+9=0

We multiply all the terms by the denominator


-((+3+9*7)u)=0



We calculate terms in parentheses: -((+3+9*7)u), so:

(+3+9*7)u

We add all the numbers together, and all the variables

66u

Back to the equation:

-(66u)



u=0/-66

u=0

Równanie nie ma rozwiązania

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