" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-12 + n = -19 , kedua ruas ditambah 12
-12 + n + 12 = -19 + 12
n = -7
n + m = -19
n + ( -12 ) = -19
n - 12 = -19
n = -19 + 12 ( pidah ruas )
n = -7