Elementary Algebra

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

Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.5 - Use of Properties - Problem Set 1.5: 63

Answer

$-5$

Work Step by Step

Substituting $ x=-2 $ and $ y=3 ,$ the given expression, $ 3x+5y+4x-2y ,$ evaluates to \begin{array}{l}\require{cancel} 3(-2)+5(3)+4(-2)-2(3) \\\\= -6+15-8-6 \\\\= 9-8-6 \\\\= 1-6 \\\\= -5 .\end{array}
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