The given equation .
Using one to one property: .
(Add 1 to each side)
(Divide each side by 2)
The solution of .
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.![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b990467aba7591d1e8fce51261f517a9.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=13a36bcbeb509cee2359de39b3ff53ca.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=adeb198affc4f1df8909626e3d91ad65.png\")
(Add 1 to each side)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3a4b2391e1a7a95e4b7a37709c5a866a.png\")
(Divide each side by 2)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3a4b2391e1a7a95e4b7a37709c5a866a.png\")
.