Respuesta :

vialia

Answer:

Yes it is

Step-by-step explanation:

y = -x + 6

y = -3x - 4

(-5,11)

x = -5

y = 11

y = -x + 6

(11) = -(-5) + 6

11 = 5 + 6

11 = 11

y = -3x - 4

(11) = -3(-5) - 4

11 = 15 - 4

11 = 11