" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
10n+m+54=10m+n
n=12-m
9n-9m=-54 /:9
n=12-m
n-m=-6
n=12-m
12-m-m=-6
n=12-m
-2m=-6-12/ :(-2)
n=12-m
m=9
n=12-9=3
m=9