" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-x/7=9
-x=9 * 7
-x=63 (-1)
x=-63
prueba
-x/7=9
-(-63)/7=9
63/7=9
9=9
saludos