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9/n=-3
We move all terms to the left:
9/n-(-3)=0
Domain of the equation: n!=0We add all the numbers together, and all the variables
n∈R
9/n+3=0
We multiply all the terms by the denominator
3*n+9=0
We add all the numbers together, and all the variables
3n+9=0
We move all terms containing n to the left, all other terms to the right
3n=-9
n=-9/3
n=-3
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