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-3.5/12.5=-7/n
We move all terms to the left:
-3.5/12.5-(-7/n)=0
Domain of the equation: n)!=0We get rid of parentheses
n!=0/1
n!=0
n∈R
7/n-3.5/12.5=0
We calculate fractions
There is no solution for this equation
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