-3<=2x-1<=4
-2<=2x<=5
-1<=x<=2,5
-3<=2х-1<=4
-3<=2х-1 -2х<=2 / -2 х>=-1
2х-1<=4 2х<=5 / 2 х<=2.5
-1><2.5>
ответ: (-1 ; 2.5)
-3<=2x-1<=4
-2<=2x<=5
-1<=x<=2,5
-3<=2х-1<=4
-3<=2х-1 -2х<=2 / -2 х>=-1
2х-1<=4 2х<=5 / 2 х<=2.5
-1><2.5>
ответ: (-1 ; 2.5)