Answer: C
I put the working in the other question you put up, but to put it briefly, multiply everything by 6 because all the options provided have a -6 inside that was meant to be the -1
Answer:

Step-by-step explanation:
Given: 
We need to completely isolate
to solve.






Finally, multiply both sides by -2 to completely isolate
.

Answer: 40
Step-by-step explanation:
-8 is the answer to your question