The expression is \\
(Substitute:)\\
\\
First operation is addition.
(Add: - 4 - 2 = -6)\\
Next operation is subtraction.
(Subtract:)\\
The value of the expression is
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2654f5c613f4a9a172eeca89d72cb52c.png\")
\\
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8f2941116bb1e3c315a88fe2b8dec051.png\")
(Substitute:![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a4e2532d4f78c4f11345a55c73df0e33.png\")
)\\
![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
\\
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=aa1d414ad3a51523b98b9174798e0c12.png\")
(Add: - 4 - 2 = -6)\\
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ed056eb26ea469da5647401f2342352e.png\")
(Subtract:![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=396ee62772be1666507629490904f3f7.png\")
)\\
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
\\
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ed056eb26ea469da5647401f2342352e.png\")