The equation is
Substitute in original equation and check whether the equation is true or not.
(Cancel common terms) \ \
(Add: ) \ \
The equality is not true.
No, is not a solution of the equation .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c9629f8201b5aa34d8a74fd908682395.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4080831906f61b015fb8a7045a920d1f.png\")
in original equation and check whether the equation is true or not.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e8dcc2e96b1267bcbece29872fdf0258.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8c798120d04d1700a9d7bf6cc6f3081e.png\")
(Cancel common terms) \ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7d4ff560221ef3ff50c2f1f77383a520.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cbf80e19b3083c81d60a9e72d52dd9aa.png\")
) \ \
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4080831906f61b015fb8a7045a920d1f.png\")
is not a solution of the equation .