" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Miguel: m
Ana: a
Por dato...
m+a=48 ... m= 48 -a ---> Ec. 1.
m-a=28 ---> Ec. 2.
Sustituir 1 en 2.
48-a-a=28
-2a= -20
a= 10 ... Edad de Ana.
m= 48 -a
m= 48-10
m= 38 ... Edad de Miguel