" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
3x + 12 = 7x - 8
3x - 7x = -8 - 12
-4x = -20
x = -20/-4
x = 5
Sehingga,
x + 2 = 5 + 2
= 7
Nomor 2.
Ay = An + 28
Ketika ayahnya 48 tahun, Ay = 48
48 = An + 28
An = 48 - 28
An = 20 tahun