4=-12/n

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Solution for 4=-12/n equation: 



4=-12/n

We move all terms to the left:

4-(-12/n)=0



Domain of the equation: n)!=0

n!=0/1

n!=0

n∈R



We get rid of parentheses

12/n+4=0

We multiply all the terms by the denominator


4*n+12=0

We add all the numbers together, and all the variables

4n+12=0

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

4n=-12

n=-12/4

n=-3

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