The expression is
Additive inverse of – 4 is 4. \ \
(Add additive inverse of – 4)
(Add: )
The difference is – 2.
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(Add additive inverse of – 4)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9ef77688166cacc775544fd082a62ae2.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=58fa48e7b1c43590ef41b35ca7ff15ec.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")