l 2x+5 l < 6 solve for x values: Solution l 2x + 5 l < 6 That means: (2x+5) < 6 or -(2x+5) < 6 We could rewrite as follow: ==> -6 < 2x + 5 < 6 Subtract 5 from all sides: ==> -11 < 2x < 1 Now divide by 2: ==> -11/2 < x < 1/2 Then x values belong to the interval (-11/2, 1/2).