Question

помогите!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! скрин

Answer 1

Ответ: (2;1) - В)

$\left \{ {{2x - y = 3} \atop {3x + y = 7}} \right. + \\ 5x = 10 \\ x = 2 \\ \\ 3x + y = 7 \\ 3 \times 2 + y = 7 \\ 6 + y = 7 \\ y = 1$