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9/n-1=-2
We move all terms to the left:
9/n-1-(-2)=0
Domain of the equation: n!=0We add all the numbers together, and all the variables
n∈R
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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