" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
jeruk = y
3x + 2y = 90000
x = 5000 + y, maka
3(5000 + y) + 2y = 90000
15000 + 3y + 2y = 90000
5y = 90000 - 15000
5y = 75000
y = 75000/5
y = 15000
x = 5000 + y, maka
x = 5000 + 15000
x = 20000
x + 2y = ...
20000 + 2(15000) = 20000 + 30000
x + 2y = 50000