0} \atop {6x<-18}} \right.\\\\\left \{ {{-x>-9} \atop {x<-3}} \right.\\\\\left \{ {{x<9} \atop {x<-3}} \right.\\\\Otvet:\boxed{x\in(-\infty;-3)}" alt="\left \{ {{-x+9>0} \atop {6x<-18}} \right.\\\\\left \{ {{-x>-9} \atop {x<-3}} \right.\\\\\left \{ {{x<9} \atop {x<-3}} \right.\\\\Otvet:\boxed{x\in(-\infty;-3)}" align="absmiddle" class="latex-formula">