" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
2a +6 +( 3a - 3b-7)
2a +6 +3a - 3b - 7
5a - 3b - 1
Ahora si le restamos 2a+4b
5a - 3b-1 + (2a +4b)
5a - 3b - 1 +2a +4b
7a +b - 1
Respuesta es 7a +b - 1
2a+4b-(5a-3b-1)
2a+4b-5a-3b-1
b-3a-1