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: 26

Answer

p = -7

Work Step by Step

4p - 11 - p = 2 + 2p - 20 Combine like terms: 3p - 11 = 2p - 18 Subtract 2p from both sides: p - 11 = -18 Add 11 to both sides: p = -7 Check with substitution: 4(-7) - 11 - (-7) = 2 + 2(-7) - 20 -28 - 11 + 7 = 2 - 14 - 20 -32 = -32
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