" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b)
un=3n-5
55=3n-5
60=3n
n=60/3
n=20
b).
Un=3n-5
55=3n-5
3n=55+5
3n=60
n=60/3
n=20