" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
144 = 2 (3x+10 + x+10)
144 = 2 (4x + 20)
72 = 4x + 20
72 - 20 = 4x
52 = 4x
= x
13 = x
panjang = 3x + 10
= 3(13)+10
= 39 + 10
= 49
lebar = x + 10
= 13+10
= 23