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420/n=14
We move all terms to the left:
420/n-(14)=0
Domain of the equation: n!=0We multiply all the terms by the denominator
n∈R
-14*n+420=0
We add all the numbers together, and all the variables
-14n+420=0
We move all terms containing n to the left, all other terms to the right
-14n=-420
n=-420/-14
n=+30
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