" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Tenim: nombre = x
3x + x/2 = 28
(6x + x)/2 = 28
7x/2 = 28
7x = 28(2)
x = 28(2)/7
x = 8