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
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
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 - Page 51: 18
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