The expression is .
(Substitute )
(Absolute value of is 4 and it is 4 units from zero)
Rewrite the expression,
(Subtract: )
The value of the expression is 1.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b4c08831e5bfdc8706425364f7cfafbb.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b2f0e31d72c5798c32c3ce90db5d0cd9.png\")
(Substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a14cf4ea0f6f2554523109ca5fe18f2a.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e6160aa65a1ce4ad13427efcec5470de.png\")
(Absolute value of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=76e92fb6e9a58c730f1bd5261079a078.png\")
is 4 and it is 4 units from zero)![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e6160aa65a1ce4ad13427efcec5470de.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=346f89c32ec06cbd49e0ef8b566be67a.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=39545c65aeeee3be04f4996acbf6af1f.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")