Question

решите систему уравнения
4x+3y=2
5x+y=-3

Answer 1

$4x + 3y = 2 \\ 5x + y = - 3$
$y = - 3 - 5x \\ 4x + 3y = 2$
$4x + ( - 9) - 15x = 2 \\ - 11x = 11 \\ x = - 1$
$y = - 3 - 5 \times ( - 1) \\ y = - 3 + 5 = 2$