" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
2a+3b-4c-6a-7b+9c disederhanakan menjadi:2a-6a+3b-7b-4c+9c=
-4a-4b+5c
= -4a - 4b + 5c