Answer:[tex]x<\frac{-9+4b}{a}[/tex]
[tex]Last step: \frac{ax}{a}<-\frac{9}{a}+\frac{4b}{a}\\Second to last step: ax<-9+4b\\Third step: \left(-ax\right)\left(-1\right)<9\left(-1\right)-4b\left(-1\right)\\2nd: -ax>9-4b\\ 1st: -ax+4b-4b>9-4b[/tex]
