Question

x=2/5y (/-supra)

suma lor este 120

aflati x si y

Answer 1

[tex]x=\frac{y}{5}\\ x+y=120\\ \frac{y}{5}+y=120 |*5\\ y+5y=600\\ 6y=600=\ \textgreater \ y=100\\ x=\frac{100}{5}=\ \textgreater \ x=20[/tex]