Question

AYUDA URGENTE ----!!!

Answer 1

x-2/2 = m + n 
Multiply both sides by 2. 
x - 2 = 2(m + n) 

I assume we are solving for x (you did not say). 
x - 2 = 2m + 2n 
x = 2m + 2n + 2 
Factor out 2 on the right side. 
x = 2(m + n + 1)