Respuesta :

Answer:

Step-by-step explanation:

y = 3x + 13

y = x - 3

sub one y in for the other

3x + 13 = x - 3

3x - x = -3 - 13

2x = - 16

x = -16/2

x = -8

y = x - 3

y = -8 - 3

y = -11