Respuesta :
Answer:
-7
Step-by-step explanation:
m = -3
n = 4
Plug those numbers into the equation (substituting the numbers in place of the variables)
m - n becomes -3 - 4
Then, subtract 4 from -3 (do -3 - 4)
-3 - 4 = -7
Well you take -3 and - 4.You would end up with -7 because -3+-4 is -7