Respuesta :

-2(2x+9)>-4x+9
1)We solve this inequation:
-2(2x+9)>-4x+9
-4x-18>-4x+9
-4x+4x-18>9
-18>9  This is not true, because -18<9; Therefore this inequation is never true.

Answer: this inequation is never true.
Brainiac432
[tex]-2(2x+9)\ \textgreater \ -4x + 9[/tex] 

[tex]-4x-18\ \textgreater \ -4x+9 [/tex] 

[tex]-18\ \textgreater \ 9 [/tex] [tex]\text{Cancel -4x from both sides}[/tex] 

[tex]\text{No Solution}[/tex]