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 3 - Introduction to Graphing - 3.3 Graphing and Intercepts - 3.3 Exercise Set: 87

Answer

$\color{blue}{7+4x}$

Work Step by Step

The expression "times" means the operation involved is multiplication. Thus, if we let the number be $x$, "four times a number" means $4(x)$ or $4x$. The expression "the sum of" means the operation involved is addition. Therefore, "The sum of 7 and four times a number" means: $\color{blue}{7+4x}$
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