Question

помогите!! даю 50 балов!​

Answer 1

$\displaystyle\bf\\\left \{ {{x = 2y - 8} \atop {x - 4y = 4 }} \right. \\ \displaystyle\bf\\\left \{ {{x = 2y - 8} \atop {2y - 8 - 4y = 4 }} \right. \\ \\ - 2y = 4 + 8 \\ - 2y = 12 \\ y = 12 \div ( - 2) \\ y = - 6 \\ \\ x = 2 \times ( - 6) - 8 \\ x = - 12 - 8 \\ x = - 20$

Ответ: ( - 20 ; - 6 )