Answer:
I'm glad you're fine
Step-by-step explanation:
please stay safe ^-^
since 5 is the y coordinate, subtract 8. 5-8=-3!
Try this:

If it is possible, modify result to form more compact.
Solution:
f(x) = 2x + 3
g(x) = x - 9
f(x) + g(x)
= (2x + 3) + (x - 9)
= 2x + x + 3 - 9
= 3x - 6