Respuesta :

Answer:

k= -1

Step-by-step explanation:

-12 = - 4 (− 3 – 6k )

first divide both sides by -4

3=-3-6k

move the variable to the left side by adding 6k to both sides

6k+3=-3

subtract 3 from both sides

6k= -6

divide by 6 on both sides

k= -1