Question

Помогите пжжжРешите систему {2х+у=8{3х-у=7

Answer 1

$\left \{ {{2x+y=8} \atop {3x-y=7}} \right. 5x=15 x=3 3*3-y=7 9-y=7 y=2 (3; 2 )$

Answer 2

2х+у=8
3х-у=7 система

5х=15
х=3