Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 2 - Chapters R-2 - Cumulative Review Exercises: 9



Work Step by Step

Using order of operations, the given expression, $ \dfrac{(4^2-4)-(-1)7}{4+(-6)} ,$ simplifies to \begin{array}{l}\require{cancel} \dfrac{(16-4)-(-7)}{4-6} \\\\= \dfrac{12+7}{4-6} \\\\= \dfrac{19}{-2} \\\\= -\dfrac{19}{2} .\end{array}
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