![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The equation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=179898240d8c7338f891cdd54a6dfb07.png\")
.
Observe the equation and think of the equation as a question.
\Which number plus 11 equals 27?
\The number is 16
\![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
Check:
\To check the solution, substitute ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=14f31b4efeb20d5b394eb077ad702ea9.png\")
in original equation.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=43fcb03f5f1e72fdb65ec66ed5d5cef7.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=971b3534bc5a301ca55af1ef82fcc831.png\")
(Add: )
Compare the values, the equation is true.
\ ![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The value of ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=14f31b4efeb20d5b394eb077ad702ea9.png\")
.