Answer:
k = -4
Solving Steps:
-124 = 4 (1+ 8k)
1 + 8k = -124/4
1 + 8k = -31
8k = -31 - 1
8k = -32
k = -32/8
Step-by-step explanation:
4 + 32k = -124
32k = -128
k = -4 is the solution