College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 8 - Section 8.6 - Systems of Nonlinear Equations - 8.6 Assess Your Understanding - Page 616: 77

Answer

$5$

Work Step by Step

According to the exercise: let $a=2x,b=3x$, then $a+b=(2x+3x)=10\\x=2$, thus $a=4,b=6$, thus $\frac{a+b}{b-a}=\frac{4+6}{6-4}=5$
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