Question

Помогите пожалуйста
. -3x+5y= -11 8x+5y= 11

Answer 1

$left { {{-3x+5y=-11} atop {8x+5y=11}} right. left { {{3x-5y=11} atop {8x+5y=11}} right.|+ left { {{11x=11} atop {8x+5y=11}} right. left { {{x=1} atop {5y=11-8}} right. left { {{x=1} atop {y= frac{3}{5} }} right.$
Ответ: $(1; frac{3}{5} )$