Respuesta :

Answer:

-4

Step-by-step explanation:

-k + 8(2k - 3) = -84

Multiply 8 by 2k - 3

-k + 16k - 24 = -84

Combine like terms

15k -24 = -84

     +24   +24

Add 24 to both sides

15k = -60

Divide both sides by 15

15k/15 = -60/15

k = -4