Question

Помогите пожалуйста прошу

Answer 1

$\left \{ {{x +5y=15} \atop {2x-y=8}} \right. \\\\\left \{ {{x=15-5y} \atop {2(15-5y)-y=8}} \right.\\\\\left \{ {{x=15-5y} \atop {30-10y-y=8}} \right.\\\\\left \{ {{x=15-5y} \atop {-11y=-22}} \right.\\\\\left \{ {{y=2} \atop {x=15-5*2}} \right.\\\\\left \{ {{y=2} \atop {x=5}} \right.$

Ответ: (5 , 2)