Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.8 - Solving Equations Containing Fractions - Vocabulary, Readiness & Video Check - Page 310: 2

Answer

21

Work Step by Step

The LCD of 1, 7 and 21 is 21.
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