" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
6-2y+6≤6y-12
2y≤6y-12
2y-6y≤-12
-4y≤-12
-y≤-3
y≤3
⇔ 4 (y-3) < 3(2y-4)
⇔ 4y-12 < 6y-12
⇔ 4y-6y < -12+12
⇔ -2y < 0
⇔ 2y <-0
⇔ y <-0 : 2