![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
\
The statement is “![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=149f7dd833037d72be35ec41a733c84c.png\")
”
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cf438be72de993c841149d0e4be1b8f7.png\")
(Commutative property of addition: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e78703d48892834e911cb11f7ed87039.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4dbb6ea62410935457f416dbcd5c5250.png\")
(Associative property of addition: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8f5bb42b2d167306fcf687961aea4234.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=01b05de5f17627c101905a901e2044c2.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e821375cd8c08c2cc64aeccb35ae33fd.png\")
)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f3cc5efffff6e9ff86209f9d79d947c8.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5b8f62a729dbdcbc113c3245433660db.png\")
)
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The value of the expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=623d10c8e6dac72635a60d8c97dbecf8.png\")
.