{ 2x + 4y = 0; x − y + 6 = 0:

2x + 4y = 0 X - y + 6 = 0 Решение y = X + 6 2x + 4( X + 6 ) = 0 2x + 4x + 24 = 0 6x = - 24 X = - 4 y = - 4 + 6 y = 2 Ответ ( - 4 ; 2 )