The inequality is .
The ordered pair is .
(Substitute 4 for x and for y)
(Multiply: )
(Subtract: )
The inequality is true.
The ordered pair is a solution of the inequality.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"4](\"http://www.wiris.com/demo-aspx/pluginwiris3/fckeditor_wiris/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.aspx?formula=c373257e8e98ccc82457ef0daffe102a.png\")
.![\"open](\"http://www.wiris.com/demo-aspx/pluginwiris3/fckeditor_wiris/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.aspx?formula=366b400fad135f997752e5368eb51dc5.png\")
.![\"4](\"http://www.wiris.com/demo-aspx/pluginwiris3/fckeditor_wiris/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.aspx?formula=8adc689876ddfbc34b65ad0aac1976ba.png\")
(Substitute 4 for x and ![\"minus](\"http://www.wiris.com/demo-aspx/pluginwiris3/fckeditor_wiris/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.aspx?formula=4ffabbac98ed1e3cddbb395ea48c85db.png\")
for y)![\"16](\"http://www.wiris.com/demo-aspx/pluginwiris3/fckeditor_wiris/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.aspx?formula=aa174de62f75325f730faa95fc5568eb.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=edb22b21be0f09e378df53cc610da195.png\")
)![\"12](\"http://www.wiris.com/demo-aspx/pluginwiris3/fckeditor_wiris/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.aspx?formula=631659217465f5d7ae9802d98ab3db29.png\")
(Subtract: ![\"16](\"http://www.wiris.com/demo-aspx/pluginwiris3/fckeditor_wiris/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.aspx?formula=8fb3a24a620c9efa76beea88d71b3779.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
is a solution of the inequality.