The equation is .
Subtract 1 from each side.
.
If x is positive, then or
If x is negative, then .
The option B is correct answer.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5ec5f874df2b0b7f25e6ac3598c09aaa.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=414e8d1fcd9c8ba8ac36791a6c5c0b90.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ea3be5ab5e3f6daf7134b28909f49c21.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e466cd345f3950ff5f398b2f106a5a21.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8b97708963a4d8a194d72121a4dce3cb.png\")
or ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c11e500043b489a7d4bce4dd23111549.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")