The expression is .
(Substitute )
(The absolute value of is 2)
(The absolute value of is 13)
(Add: )
The value of the expression is 15.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4a11c014112ea399ec5a24677b7914d3.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8aaa4c14f7b3657e78adf479f0d05430.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c62b206c4b9333c39440c01f83e8631e.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=48e98c3d171ce0c69770b767201b358d.png\")
(The absolute value of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=74f3d3e4c40071d7ac71e61153308410.png\")
is 2)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2e9c7a03038d9cb2da0518f8cef80b9c.png\")
(The absolute value of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=51b1cffc277a1b63d8e949eeff2d2636.png\")
is 13)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=67a879c3f2c65203a1ae270c0b1e5cd4.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3e19f643ee26448b03f2af2f9b16285e.png\")
) ![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")