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 - Page 100: 27

Answer

x = -12

Work Step by Step

-3(x - 4) = -4x Apply distributive property: -3(x) - 3(-4) = -4x -3x + 12 = -4x Add 4x to both sides: x + 12 = 0 Subtract 12 from both sides: x = -12 Check with substitution: -3(-12 - 4) = -4(-12) -3(-16) = 48 48 = 48
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