" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2x = 154
x = 77
son 77 y 78
x + (x+1) = 155
2x+1=155
2x =155-1
2x=154
x=154/2
x=77
Los números son 77 y 78