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1/7n=50
We move all terms to the left:
1/7n-(50)=0
Domain of the equation: 7n!=0We multiply all the terms by the denominator
n!=0/7
n!=0
n∈R
-50*7n+1=0
Wy multiply elements
-350n+1=0
We move all terms containing n to the left, all other terms to the right
-350n=-1
n=-1/-350
n=1/350
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