" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Multiplicamos el - por Y y 3
-Y-3=Y-1
-2Y=2
-Y=1
Y=-1
Comprobación
-(-1+3)=-1-1
-(2)=-2
izi