" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
7n-4n=-17-4
3n = -21
n = -21÷3
= -7
7n=4n-17-4
7n=4n-21
7n-4n=-21
3n=-21
n=-7
semoga bermanfaat