Question

помогите пожалуйста,​

Answer 1

$\displaystyle\left \{ {{4x+y=-10 \ |\cdot2\atop {5x-2y=-19}} \right.\\\\\\+\displaystyle\left \{ {{8x+2y=-20 \atop {5x-2y=-19}} \right.\\---------\\ \ \ 13x=-39\\\\x=-3\\\\y=-4x-10=-4\cdot (-3)-10=12-10=2\\\\Otvet:\boxed{(-3 \ ; \ 2)}$