" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
x=11
10x - 5 - 2x = 9 + 5x + 7
10x - 2x - 5 = 9 + 7 + 5x
8x - 5 = 16 + 5x
8x - 5x = 16 + 5
3x = 21
x = 21/3
x = 7
Respuesta.
7