Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.1 - Introduction to Algebra: Variables and Mathematical Models - Exercise Set - Page 11: 66



Work Step by Step

"The sum of" tells us we are going to add the expressions that follow. "Twice a number" tells us we are going to multiply a number by 2 Let x be the number. "Is" tells us to write an equal sign, followed by the rest of the sentence, in this case the number 29.
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