The expression is
(Subtract and substitute)
(Divide and substitute:)
(Add and substitute:)
The value of the expression is 17
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c4817a73b2ea1f36a0e39f10b40e7be0.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=583abc3d6f77d9b0e1352ab02832f742.png\")
(Subtract and substitute![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=46f3c8d794217bec94a1d2aeed388317.png\")
) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1e020a8afbb0707ea7ca837e92168d02.png\")
(Divide and substitute:![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=60bb6527b09efc78ef556f41c6e1453d.png\")
) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ddc6191f9715c0486cfa0862ffee4013.png\")
(Add and substitute:![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6e643519f23adf0d2bf0d6a2f7b3e3a8.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")