Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 1 - Section 1.1 - Linear Equations in One Variable - 1.1 Exercises: 25

Answer

w = all real numbers; identity

Work Step by Step

1. Given: 12w + 15w - 9 + 5 = -3w + 5 - 9 2. Simplify: 27w - 4 = -3w - 4 3. Add and subtract: 30w = 0 w = all real numbers, so the equation is an identity.
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