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2/5n=4/5
We move all terms to the left:
2/5n-(4/5)=0
Domain of the equation: 5n!=0We add all the numbers together, and all the variables
n!=0/5
n!=0
n∈R
2/5n-(+4/5)=0
We get rid of parentheses
2/5n-4/5=0
We calculate fractions
=0
n=0/1
n=0
Równanie nie ma rozwiązania
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