Respuesta :

bartdrinksmalk
[tex]\frac{4}{5}n-\frac{1}{5}=\frac{2}{5}n[/tex]
[tex]\rightarrow5(\frac{4}{5}n-\frac{1}{5})=5(\frac{2}{5}n)[/tex]
[tex]\rightarrow4n-1=2n[/tex]
[tex]\rightarrow2n-1=0[/tex]
[tex]\rightarrow2n=1[/tex]
[tex]\rightarrow n=\frac{1}{2}[/tex]