Intermediate Algebra: Connecting Concepts through Application

by Clark, Mark; Anfinson, Cynthia

Published by Brooks Cole

ISBN 10: 0-53449-636-9

ISBN 13: 978-0-53449-636-4

Chapter 1-2 - Cumulative Review - Page 219: 45

Answer

No solution

Work Step by Step

|4n+9|+20=7 |4n+9|=-13 |4n+9|$\ne$-13 No solution because an absolute value cannot equal a negative number.

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