National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Solving Inequalities and Absolute Values
"Dr. Math" provides an indepth explanation in solving inequalities that involve absolute value. The indepth explanation revolves around a specific problem sent in by a student. This site includes a graph of the absolute value problem.
University of Regina (Canada)
University of Regina: Math Central: Solving Absolute Value Inequality
In response to a student submitted problem that involves an absolute value inequality, a solution to the problem with an explanation of steps is given for you to follow. Site by University of Regina.
Interactive Mathematics
Interactive Mathematics: Solving Inequalities W/ Absolute Value
These examples can help you solve absolute value inequalities. They show each step and are easy to follow. The last example demonstrates how to graph the solution.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Inequalities and Absolute Value
"Dr. Math" responds to a student question regarding how to solve inequalities that involve absolute value.