Respuesta :

We have the following inequations:
 5x-9 <-9
 -4x + 9 <45
 We solve each inequality separately.
 We have then:
 For 5x-9 <-9:
 
5x-9 <-9
 5x <-9 + 9
 5x <0
 x <0/5
 x <0
 For -4x + 9 <45:
 
-4x + 9 <45
 -4x <45-9
 4x> -36
 x> -36/4
 x> -9
 The solution is given by
 -9 <x <0
 Answer:
 
-9 <x <0