Question

Помогите решить...........,

Answer 1

Объяснение:

$2 {x}^{2} - 5xy + 3x - 2y = 10 \\ - 2 {x}^{2} + 5xy + 7x - 8y = 10 \\ \\ 3x - 2y = 10 \\ 7x - 8y = 10 \\ \\ - 12x + 8y = - 40 \\ 7x - 8y = 10 \\ \\ - 5x = - 30 \\ x = 6 \\ - 2y = 10 - 3x \\ - 2y = 10 - 18 \\ - 2y = - 8 \\ y = 4$

Ответ: (6;4)