The expression is .
(Absolute value of 8 is 8)
(Absolute value of is 13)
(Subtract: )
The sum is negative \ \
The sum is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=12e1d554c750f7268129b4a8a3ba821f.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=15c072a48edfe150ae46a7617a1ca69b.png\")
(Absolute value of 8 is 8)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0793da3cf465675f29f90b270cb0e3da.png\")
(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=0447b645ddfbc103bcb9df907ec6f22f.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b41778d02b9b5071b6e1776df8a962e2.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ef04c0de6dc2b67e84ab3159c34388bf.png\")
.