Question

ПОМОГИТЕ. решите систему уравнений! ​

Answer 1

1)

$4x - y = 14 \\ 2x + 3y = 0$

2)

$- y = 14 - 4x \\ 2x + 3y = 0$

3)

$y = 4x - 14$

4)

$2x + 3(4x - 14) = 0$

5)

$2x + 12x - 42 = 0$

6)

$14x = 42 \\ x = 3$

7)

$y = 4( 3) - 14 \\ y = - 2$