Respuesta :

Answer: n = [tex]\frac{p-m}{2}[/tex]

Step-by-step explanation:

Answer:

n = (p - m) / 2.

Step-by-step explanation:

m + 2n = p

Subtract m from both sides:

2n + m - m = p - m

2n = p - m

Divide both sides by 2:

n = (p - m) / 2.