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: 70

Answer

$26$

Work Step by Step

Substituting $ x=-11 ,$ the given expression, $ (x+12)-(x-14) ,$ evaluates to \begin{array}{l}\require{cancel} (-11+12)-(-11-14) \\\\= 1-(-25) \\\\= 1+25 \\\\= 26 .\end{array}
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