![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Let x be the number of hours to use a car.
\The rent of the car for one hour is 7.65 dollars.
\The rent of the car for x hour is 7.65x dollars.
\The fee for the members of a car - sharing program is 50 dollars per month.
\The bill of a member for last month is 149.45 dollars.
\Therefore, the above situation represent the equation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=60cebd8962708953bdd672309387a7b5.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
Solve the equation ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=60cebd8962708953bdd672309387a7b5.png\")
for x.
Subtract 50 from each side.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=be14f29a6f26180f67d8d26b370b5872.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a0a6de686ab8574e03b0d1e2d551d515.png\")
Divide each side by 7.65.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=235c2b85bbcc284b047514271ac48fc4.png\")
Cancel common terms.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b4def2f5eba8e31dfece366f3f76aaec.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The number of hours to use a car last month is 13.