Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - Chapters 1-2 Cumulative Review Problem Set - Page 91: 2



Work Step by Step

We follow order of operations, so we first multiply, and then we add/subtract: $7(-6)-8(-6)+4(-9)$ =$-42+48-36$ =$(-42+48)-36$ =$6-36$ =$-30$
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