" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
(9x-1)<-(2x-4) v (9x-1)>(2x-4)
9x-1<-2x-4 v 9x-1>2x-4
11x<-3 v 7x>-3
x<-3/11 v x>-3/7
<-∞;-3/11> v <-3/7;∞>