3/u+8=-4

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Solution for 3/u+8=-4 equation: 



3/u+8=-4

We move all terms to the left:

3/u+8-(-4)=0



Domain of the equation: u!=0

u∈R



We add all the numbers together, and all the variables

3/u+12=0

We multiply all the terms by the denominator


12*u+3=0

We add all the numbers together, and all the variables

12u+3=0

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

12u=-3

u=-3/12

u=-1/4

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