Elementary Algebra

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

Chapter 2 - Real Numbers - 2.3 - Real Numbers and Algebraic Expressions - Problem Set 2.3: 50

Answer

18.6

Work Step by Step

In order to follow order of operations, we first multiply and then we add and subtract: $-5(0.9)-0.6+4.1(6)-0.9$ =$(-5\times0.9)-0.6+(4.1\times6)-0.9$ =$(-4.5)-0.6+(24.6)-0.9$ =$(-4.5-0.6)+(24.6)-0.9$ =$(-5.1)+(24.6)-0.9$ =$(-5.1+24.6)-0.9$ =$(19.5)-0.9$ =$18.6$
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