![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The inequality is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=43c3d3b24a64b2c04e1bb8cc5ddbe908.png\")
.
Apply addition property of inequality: if ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=25ec9ffa795747465a12ab896bd5eb71.png\")
then ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ee5a86d5330a5631b9c9800e893731d7.png\")
.
Add 11 to each side.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=65c4271d73a49a329e99e8700c0c4633.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b3a55c42a46c6207f7c6c8d42f123c4b.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6dad10a7e1c38e937db15c8c520cff13.png\")
.
The solution of the inequality is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6dad10a7e1c38e937db15c8c520cff13.png\")
and its graph is
![\"grph](\"/userfiles/image/Library/Algebra1/grph_the_inequality_w_less_than_13.gif\")
The open circle means that 13 is not a solution of the inequality.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The solution of the inequality is and its graph is