Question

Срочно пж!!!!!! Решите систему уравнений

Answer 1

Ответ:

$3x + y + 3 = 0 \: \: | \times ( - 2) \\ 2x + 2y + 2 = 0 \\ \\ - 6x - 2y - 6 = 0 \\ 2x + 2y + 2 = 0 \\ \\ - 4x - 4 = 0 \\ - 4x = 4 \\ x = - 1 \\ 3 \times ( - 1) + y + 3 = 0 \\ - 3 + y + 3 = 0 \\ y = 0$

х=-1, у=0