" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
y=minyak goreng
1x + 4y = 56.000. dikali 1
2x + 1y = 31.500. dikali 4
1x + 4y = 56.000
8x + 4y = 126.000
--------Dikurang--------
-7x = -70.000
x = -70.000/-7 = 10.000
1x + 4y = 56.000
1(10000) + 4y = 56.000
10.000+ 4y = 56.000
4y = 56000-10000
4y = 46.000
y = 46.000/4
y = 11.500
harga 1 kg beras = 10.000
harga 1 minyak = 11.500