" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
5a-9a = -12
-4a = -12
-a = -12 ÷ 4
-a = -3
a = 3
9a - 5a = -12
4a = -12
a = -12/4
a = -3