Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.4 - Linear Equations in One Variable and Problem Solving - Practice - Page 193: 3

Answer

$x=1235$

Work Step by Step

"The distance by road from Cincinnati, Ohio, to Denver Colorado, is 71 miles less than the distance from Denver to San Francisco, California. If the total of these two distances is 2399 miles, find the distance from Denver to San Francisco." x is the distance from Denver to San Francisco x-71 is the distance from Cincinnati to Denver total distance is 2399 $x+x-71=2399$ add 71 on both sides $ x+x=2399+71$ simplify $ 2x= 2470$ divide both sides by 2 $x=1235$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.