" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Pedro=x+4
x+x+4=18, luego aplicamos términos semejantes:
2x=18-4;
2x=14;
x=7
reemplazamos x en todo:
Luis = 7 y Pedro = x+4 = 11