Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter R - Elementary Algebra Review - R.1 Introduction to Algebraic Expressions - R.1 Exercise Set: 39

Answer

$-3$

Work Step by Step

According to order of operations, multiplication comes before subtraction. Therefore, using the order of operations on real numbers, the given expression, $ 2\times6-3\times5 ,$ evaluates to \begin{array}{l}\require{cancel} 12-15 \\\\= -3 .\end{array}
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