" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
4a + 12 - 5 = 3a + 18
4a + 7 = 3a + 18
4a - 3a = 18 - 7
a = 11
jadi, a - 4 = 7
4a + 12 = 3a + 18
7a = 18 - 12
a =
a - 4 = - 4
=
=