Algebra: A Combined Approach (4th Edition)

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

Chapter 2 - Section 2.3 - Integrated Review - Solving Linear Equations - Page 123: 30

Answer

m = -1.6

Work Step by Step

0.03(m + 7) = 0.02(5 - m) + 0.03 Distribute: 0.03m + 0.21 = 0.1 - 0.02m + 0.03 0.03m + 0.21 = 0.13 - 0.02m Add 0.02m to both sides: 0.05m + 0.21 = 0.13 Subtract 0.21 from both sides: 0.05m = -0.08 Divide both sides by 0.05: m = -0.08/0.05 m = -1.6
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