Respuesta :

Answer:

72-12k is answer

k = 6

Step-by-step explanation:

=12(6−k)

=72-12k

It can also be given that to find the value of k is

72 - 12k = 0

-12k = -72

divide by -12 on both sides we get

-12k / -12 = -72/-12

k = 6