Respuesta :

mathecoach

Answer:

I. y = 1/2*x - 2

II . y = -3*x + 5


1/2*x - 2 = -3*x + 5

7/2*x - 2 = 5

7/2*x = 7

x = 7 * 2/7 = 2


y = 1/2*2 - 2 = -1