SAT math Inequalities with Absolute Value

SAT math Inequalities with Absolute Value 

I need help with the following inequality:



Answer
http://www.satmath4u.com/threads/57-SAT-math-Inequalities-with-Absolute-Value



In order to solve this inequality we’ll set up two inequalities.
Not only will we change the sign of the number on the
right, but we’ll also change the direction of the inequality:

 and 


 and 

 and 

So, all real numbers  satisfy the inequality.