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: 13

Answer

x = -3

Work Step by Step

7x + 2x = 8x - 3 Combine like terms: 9x = 8x - 3 Subtract 8x from both sides: x = -3 Check with substitution: 7(-3) + 2(-3) = 8(-3) - 3 -21 - 6 = -24 - 3 -27 = -27
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