Basic College Mathematics (9th Edition)

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

Chapter 9 - Basic Algebra - Summary Exercises - Operations with Signed Numbers: 44

Answer

$\frac{-2}{7}$

Work Step by Step

1. We need to expand the parenthesis first. Keep in mind that multiplying 2 negatives makes a positive $\frac{-9+24\div24}{36-48\div6}$ 2. Then we need to do division: $\frac{-9+1}{36-8}$ 3. Then subtraction: $\frac{-8}{28}$ 4. Finally we can simplify this by diving both sides of the fraction by 4; $\frac{-2}{7}$
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