-12/u=3

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Solution for -12/u=3 equation: 



-12/u=3

We move all terms to the left:

-12/u-(3)=0



Domain of the equation: u!=0

u∈R



We multiply all the terms by the denominator


-3*u-12=0

We add all the numbers together, and all the variables

-3u-12=0

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

-3u=12

u=12/-3

u=-4

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