Respuesta :

Answer:

5654

Step-by-step explanation:

Given the expression

(a + 800) + (b-800) and a+b = 5654

From the first equation

(a + 800) + (b-800) =

a+800+b-800

= a+b+800-800

= a+b+0

= a+b

Hence

(a + 800) + (b-800) = a+b = 5654