The expression is
(Replace a with 5 in given expression)
(Divide: )
The value of the expression is 13.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e488f5aa96f0fba9587f6c778fbb6a6c.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9677edc23bbc02b8c3bc7bd9eeeb3095.png\")
(Replace a with 5 in given expression)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3b7b5a4029ca0f108e904522060972e9.png\")
(Divide: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=808e2c60502691e4b8158f9e064934a3.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")