Answer:
Second one
Step-by-step explanation:
(x-4), (x-2)
i think this is what you're looking for
Check the picture below.
y = x/2 + 2
y = 2x - 4
swap y and x
x = 2y - 4
x + 4 = 2y
x/2 + 2 = y
81/9
9/1
9 is your answer ☺️☺️☺️
