The expression is .
(Absolute value of 13 is 13)
(Absolute value of is 2)
(Subtract: )
The sum is positive
The sum is 11.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=91d2972adac0010f4b44fa0609a72f4d.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a9e82cdfaacf11c6ad759b3d9b23baa1.png\")
(Absolute value of 13 is 13)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=19d8a2645fd452a751b06d38e2696176.png\")
(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=9329bda6008f536394bee76911478c41.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9a821d63b93e216c794c1bedede65398.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")