Respuesta :

Answer:

15yx and 5yx

Step-by-step explanation:

Answer:

(3, -11/7)

Step-by-step explanation:

8x + 7y = 13

12x-7y = 47

20x = 60

x=3

8(3) + 7y = 13

24 + 7y = 13

7y = -11

y  = -11/7