solve the system below by substitution. write the solution as a coordinate pair.

y = x + 3
y = - 1/2x + 9

PLEASE SHOW YOUR WORK!!!!!!
GIVING BRAINIEST TO WHOEVER ANSWERS THIS AND SHOWS THERE WORK!!!

Respuesta :

Answer:

x = 4      y = 7

Step-by-step explanation:

x + 3 = -1/2x + 9

x = -1/2x + 6

3/2x = 6

x = 4

y = (4) + 3

y = 7