" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a+b = 52 a = 12-b
Reemplazamos el b:
12-b+b = 52
2b = 40
b =20
Ahora si restamos:
a-b = 12
a-20=12
a = 12+20
a = 32