College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.8 - Solving Basic Equations - P.8 Exercises - Page 60: 100



Work Step by Step

$\displaystyle \frac{a+1}{b}=\frac{a-1}{b}+\frac{b+1}{a}$ We multiply both sides by $ab$: $a(a+1)=a(a-1)+b(b+1)$ And distribute: $a^{2}+a=a^{2}-a+b^{2}+b$ And simplify: $2a=b^{2}+b$ And solve for $a$: $a=\frac{1}{2}(b^{2}+b)$
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.