The equation is .
(Subtract 3x from each side)
(Apply commutative property: )
(Apply additive inverse property: )
The value of .
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c4f10c259d385c66d96966f7e1d92431.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e0388f0c3055553b665ef25cc3c90186.png\")
(Subtract 3x from each side)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d776df016a4932064c57bc765210f76c.png\")
(Apply commutative property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=94da50b59bf0b0ae6ad23e247f52add8.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=de7601b57d6f8a3166280d2dcaf7d802.png\")
(Apply additive inverse property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=88add0f14e55f225e7776d45498245bd.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=52a812d698c03a6f9617b93c0453b584.png\")
(Apply additive inverse property: ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=eb27bbaddd06b4e40b0af67535bbceea.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=52a812d698c03a6f9617b93c0453b584.png\")
.