" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3x+21=24
3x=3
x=1
sisi terpanjang
3x+7 = 3+7 = 10cm
(x+5)+(9-x)+(3x+7)=24
3x + 21=24
3x=21+24
x=45:3=15
jadi x sama dengan 15
sisi terpanjang (3x+7)= 3 x 15+7=52