" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
6u+9y-6u-12y = 6u-6u+9y-12y = 3y
⇒ 6u + 9y - 6u - 12y = 6u - 6u + 9y - 12y = 3y