Answer:
-2/6
Step-by-step explanation:
Answer:
C. 
Step-by-step explanation:
Given:

Add the two equations, we get

Therefore, the correct option is option C.
Answer:
The answer is 12
Step-by-step explanation:
Answer:
z/8
Step-by-step explanation:
cuz it says z and 8 in that order so z/8 please dont just ignore give me 5 star and thanks dont ignore if u do i will never help you