Question 659099
|x| means the absolute value of x.  Absolute value of a number is its size.<P>
The rule for absolute value is:<P>
|x| = x and |-x| = x.  In other words, the absolute value of a number is always positive that number.<P>
|-9| = 9
<P>Hope the solution helped.  Sometimes you need more than a solution.  Contact fcabanski@hotmail.com for online, private tutoring, or personalized problem solving (quick for groups of problems.)