Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.8 Using Equations to Solve Application Problems - 9.8 Exercises: 30

Answer

The number is $-3$.

Work Step by Step

Let $x =$ the number $11x - 8x = -9$ $3x = -9$ $x = \frac{-9}{3}$ $x = -3$
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