" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b=bolpen
p+2b=5500
p=5500-2b
2p+2b=7500
2(5500-2b)+2b=7500
11000-4b+2b=7500
-2b=-3500
2b=3500
p=5500-2b
p=5500-3500
p=2000
x + 2y = 5500
2x + 2y = 7500 -
- x = - 2000
x = 2000
harga sebuah pensil 2000