[tex]\left \{ {{4x+5 < 9x-5} \atop {8x-7\geq 5x+4}} \right.[/tex]
4x+5<9x-5 8x-7≥5x+4
4x-9x<-5-5 8x-5x≥4+7
-5x<-10 :-5 3x≥11 :3
x>2 x≥[tex]3\frac{2}{3}[/tex]
2 [tex]3\frac{2}{3}[/tex]
___________₀_//////////.//////////
x∈(2; [tex]3\frac{2}{3}[/tex]]∪[[tex]3\frac{2}{3}[/tex]; +∞)
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[tex]\left \{ {{4x+5 < 9x-5} \atop {8x-7\geq 5x+4}} \right.[/tex]
4x+5<9x-5 8x-7≥5x+4
4x-9x<-5-5 8x-5x≥4+7
-5x<-10 :-5 3x≥11 :3
x>2 x≥[tex]3\frac{2}{3}[/tex]
2 [tex]3\frac{2}{3}[/tex]
___________₀_//////////.//////////
x∈(2; [tex]3\frac{2}{3}[/tex]]∪[[tex]3\frac{2}{3}[/tex]; +∞)