![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The inequality is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a3e848fcfd1518e72c8b8f34641fb635.png\")
.
Apply multiplication property of inequality: if ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0055c21a0c6de7b4a6d88c33945dccb3.png\")
then ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=10678ccd421bd3c841e4882fc6593e64.png\")
.
Multiply each side by negative 4 and reverse the inequality symbol.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d35db4caeb218b613b089621ea1d7315.png\")
Cancel common terms.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c0cf4817f2bf834d5c0569a0958c0ea5.png\")
.
The solution of the inequality is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c0cf4817f2bf834d5c0569a0958c0ea5.png\")
and its graph is
![\"grph](\"/userfiles/image/Library/Algebra1/grph_the_inequality_n_less_than_28.gif\")
The open circle means that 28 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