Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 1 - Linear Functions - 1.1 Solving Linear Equations - 1.1 Exercises - Page 14: 58

Answer

k = -3

Work Step by Step

5k +7 = 2(6k - 14) + 56 5k +7 = 12k - 28 + 56 5k = 12k - 28 + 56 - 7 5k - 12k = -28 + 56 - 7 -7k = -28 + 56 - 7 -7k = 21 k = -3
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