9/n-1=-2

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Solution for 9/n-1=-2 equation: 



9/n-1=-2

We move all terms to the left:

9/n-1-(-2)=0



Domain of the equation: n!=0

n∈R



We add all the numbers together, and all the variables

9/n+1=0

We multiply all the terms by the denominator


1*n+9=0

We add all the numbers together, and all the variables

n+9=0

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

n=-9

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