Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 1 - Section 1.1 - Linear Equations in One Variable - 1.1 Exercises: 18

Answer

The - sign represents -1. The simplified expression is -7x + 9.

Work Step by Step

When clearing parentheses we distribute the - sign like -1. -5x - (2x - 4) + 5 = -5x - 1(2x) - 1(-4) + 5 = -5x - 2x + 4 + 5 = -7x + 9
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