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: 18

Answer

x = 4

Work Step by Step

4x - 4 = 10x - 7x Combine like terms: 4x - 4 = 3x Subtract 3x from both sides: x - 4 = 0 Add 4 to both sides: x = 4 Check: 4(4) - 4 = 10(4) - 7(4) 16 - 4 = 40 - 28 12 = 12
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