Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.1 - The Additon Property of Equality - Exercise Set: 50

Answer

k = -7

Work Step by Step

Solve: 15 - (6 - 7k) = 2 + 6k 15 - (6 - 7k) = 2 + 6k 15 - 6 + 7k = 2 + 6k 9 + 7k = 2 + 6k 9 + 7k - 6k = 2 + 6k - 6k 9 + k = 2 9 + k - 9 = 2 - 9 k = -7
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