## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson

# Chapter 1 - Introduction to Algebraic Expressions - 1.1 Introduction to Algebra - 1.1 Exercise Set - Page 9: 58

#### Answer

$x+345=987$

#### Work Step by Step

Let x be the unknown number. The equation "$x+345=987$", when solved for x, will give the number that can be added to 345 to give 987.

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