The expression is .
(Absolute value of 16 is 16)
(Absolute value of 13 is 13)
= 3 (Subtract: )
The sum is positive
The sum is 3.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=82c9a3770d9dc374587c65599719f0ce.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=dd56f1e1a38106433ce217be34afd22f.png\")
(Absolute value of 16 is 16)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a361fddcbaa9eaa5128eeb0ab2d65acf.png\")
(Absolute value of 13 is 13)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=dfcdaaf989f41e002b7788a03ece0dbf.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")