Respuesta :

Answer:

The solution is {6, -7}.

Step-by-step explanation:

2x + y = 5

x – y = 13  Adding these 2 equations eliminates y:

3x + 0 = 18

x = 6.

Substituting for x in equation (1):

2(6) + y = 5

y = 5 - 12 = -7.