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: 32

Answer

y = -26

Work Step by Step

3(y + 7) = 2y - 5 Apply distributive property: 3(y) + 3(7) = 2y - 5 3y + 21 = 2y - 5 Subtract 2y from both sides: y + 21 = -5 Subtract 21 from both sides: y = -26 Check with substitution: 3(-26 + 7) = 2(-26) - 5 3(-19) = -52 - 5 -57 = -57
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