Question

{ 2х-у=5
$[/tex] [tex]2x - y = 5 \ x + y = 1$

Answer 1

у=1-х
2х - (1-х)=5
2х - 1+х = 5
3х=4
х=4/3 = 1$frac{1}{3}$
у=1- $frac{4}{3}$= $frac{1}{3}$