\
\
The expression is
.
\
(Substitute
)
\
(Add
)
\
\
The value of the expression
is 17.4.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6d1d44c50df90172aa3b4f247ae2dc50.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=24a8a4ce6ee220383fafc5d4a9b56672.png\")
(Substitute![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3de11c3e0111abbb47ec1956d0199e9e.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=99b3fb872fd138c210e19ca033100f9f.png\")
(Add ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=413589d3ca87bfd30905ef034611f8b2.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")