-4=9+2/n

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Solution for -4=9+2/n equation: 



-4=9+2/n

We move all terms to the left:

-4-(9+2/n)=0



Domain of the equation: n)!=0

n!=0/1

n!=0

n∈R



We add all the numbers together, and all the variables

-(2/n+9)-4=0

We get rid of parentheses

-2/n-9-4=0

We multiply all the terms by the denominator


-9*n-4*n-2=0

We add all the numbers together, and all the variables

-13n-2=0

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

-13n=2

n=2/-13

n=-2/13

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