The equation is .
Apply addition property of equality: Add 9h to each side.
(Apply additive inverse property: )
Apply division property of equality: Divide each side by f.
(Cancel common terms)
The value of .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4c5b43d4bbd9d9091b20859cbf2d5091.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=29d0fe466283cd096c47da9760f5a828.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=273d51280d65fc7a22b4cd9abe90f84b.png\")
(Apply additive inverse property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0b493646ae3055158cf36fce3dbbd1bc.png\")
)![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f85de6238db21fa64a1958d9ed2e8897.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8b9e1e7586152899842d959f83f6ce09.png\")
(Cancel common terms)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
.