" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2-6= -a+b -(-2a+b)
-4 =-a+b+2a-b
-4 =a
Entonces reemplazando:
2= -(-4) +b
2= 4+b
b= -2