-1=1/3u

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Solution for -1=1/3u equation: 



-1=1/3u

We move all terms to the left:

-1-(1/3u)=0



Domain of the equation: 3u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

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

We get rid of parentheses

-1/3u-1=0

We multiply all the terms by the denominator


-1*3u-1=0

Wy multiply elements

-3u-1=0

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

-3u=1

u=1/-3

u=-1/3

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