The expression is
\
(Rule of different signs)
(Absolute value )
(Subtract: )
The value of expression is
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a6974bc0a0e41fd40566fef39660572b.png\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a3d51113afaa458d2248173c06363799.png\")
(Rule of different signs)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e2915d45d6531a5f9fd84a2ab75262df.png\")
(Absolute value ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f1b5fc4d2e6dd44d3fab5ab1a1685bc3.png\")
)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=231568668f006d0e02c8e138b53c6fdd.png\")
(Subtract: ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=12ea913bffdf33e58e9b4d08ea171829.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=02975862d4f6bb466d19933bda50c401.png\")