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-1/5n=31
We move all terms to the left:
-1/5n-(31)=0
Domain of the equation: 5n!=0We multiply all the terms by the denominator
n!=0/5
n!=0
n∈R
-31*5n-1=0
Wy multiply elements
-155n-1=0
We move all terms containing n to the left, all other terms to the right
-155n=1
n=1/-155
n=-1/155
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