Actually I think it may be C
Final Answer: 
Steps/Equations:
Question: 
Step 1: Move the negative sign to the left side.

Step 2: Multiply both sides by
.

Step 3: Simplify
to
.

Step 4: Multiply both sides by
.

~I hope I helped :)~
I don’t know what the answer is I wish I could help
X = 4 will give you the same output no matter what graph you are using.