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 1 - Introduction to Algebraic Expressions - 1.1 Introduction to Algebra - 1.1 Exercise Set: 78

Answer

To evaluate an expression is to bring an expression to a constant.

Work Step by Step

Example: In $4x+20$, $x=12$. You insert 12 into $4x+20$. $4(12)+20$ $48+20$ $68$ The answer is 68.
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