Question

$(a+b)x+by=a\\x+y=a$

Calcular ab-xy

Answer 1

AB + BC + CD = AD

x - y + x+y +2y -x = 24

 x + 2y = 24

  y = (24 -x) /2

2y > x

> x

24 - x > x

12 > x

x > y

x > 

2x > 24 - x

 x > 8

Entonces 

 12 > x> 8

Mayor valor = 11

Menor valor = 7 

11 + 7 = 18

Ver más en Brainly.lat - https://brainly.lat/tarea/5054024#readmore