3=-(1/3)u

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Solution for 3=-(1/3)u equation: 



3=-(1/3)u

We move all terms to the left:

3-(-(1/3)u)=0



Domain of the equation: 3)u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-(-(+1/3)u)+3=0

We multiply all the terms by the denominator


-(-(+1+3*3)u)=0



We calculate terms in parentheses: -(-(+1+3*3)u), so:

-(+1+3*3)u

We add all the numbers together, and all the variables

-10u

Back to the equation:

-(-10u)



We get rid of parentheses

10u=0

u=0/10

u=0

Równanie nie ma rozwiązania

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