" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Keliling = (2x - 5) + (3x + 6) + (x + 6)= 2x + 3x + x - 5 + 6 + 6
= 6x + 7