## Elementary Algebra

Published by Cengage Learning

# Chapter 1 - Some Basic Concepts of Arithmetic and Algebra - 1.1 - Numerical and Algebraic Expressions - Problem Set 1.1 - Page 6: 8

#### Answer

$47$

#### Work Step by Step

Using integer operations, the given expression, $7(13-4)-2(19-11) ,$ simplifies to \begin{array}{l}\require{cancel} 7(9)-2(8) \\\\= 63-16 \\\\= 47 .\end{array}

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