" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
El doble del anterior = 2 (x - 1)
Resolvemos :
x + 2 (x - 1) = 18
x + 2x - 2 = 18
3x - 2 = 18
3x = 18 + 2
3x = 20
x = 20/3
Solución : El número es 20/3