Respuesta :

lilymannering

Answer:

5

Step-by-step explanation:

Plug in the numeric values

4 for m, -9 for n, -2 for p, and 12 for q.
add them together.
4 + -9 = -5

-5 + -2 = -7

-7 + 12 = 5

Your answer is 5


hope this helps