Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - Chapter 3 Review Problem Set - Page 137: 10

Answer

n=2/41

Work Step by Step

We want to cancel out the fractions to simplify. In order to cancel out the fractions, we multiply by the least common multiple of all of the denominators. The least common multiple of 4, 7, and 14 is 28, so we multiply both sides of the equation by 28 to obtain: $21n+20n=2 \\\\ 41n=2 \\\\ n=2/41$
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