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20/80=1.5/n
We move all terms to the left:
20/80-(1.5/n)=0
Domain of the equation: n)!=0We add all the numbers together, and all the variables
n!=0/1
n!=0
n∈R
-(+1.5/n)+20/80=0
We get rid of parentheses
-1.5/n+20/80=0
We calculate fractions
There is no solution for this equation
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