Answer:
-8
Step-by-step explanation:
All the other numbers like z=-3 and w=4 is all to trick you they aren't used. They put them there because it makes it harder to focus on one number and it throws you off. It's just doing the math by replacing the "x" with -1 and boom you have your answer!
Hope This Helps!!! Have a great day!!!
<3<3
