" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
a-b=17
------------
2a=84
a=42
b=25
1..x+y=67
2..x-y=17
Despejamos x de 1
x+y=67
x=67-y
Remplazando en 2
x-y=17
67-y-y=17
67-2y=17
-2y=17-67
-2y=-50
y=50/2
y=25
Remplazando ''y'' en 1
x+y=67
x+25=67
x=67-25
x=42
Respuesta: El número menor es 25
Saludos....