" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
9x - 1 = 80
9x=81
x= 81/9
x=9
9x - 1 = 80
9x = 80 +1
9x = 81
x = 81/9
x = 9
...