Respuesta :

fichoh

Answer:

Step-by-step explanation:

cm= (K2-15) in cm = (10k +9) in

K2 - 15 = 10k + 9

K2 - 10k = 9 + 15

K2 - 10k = 24

2k - 10k = 24

-8k = 24

k = - 3