Answer
All real numbers; identity
Work Step by Step
1. Given: -2(x + 3) - x - 4 = -3(x + 4) + 2
2. Apply Distributive Property: -2x - 6 - x - 4 = -3x - 12 + 2
3. Add and subtract: -10 = -10
The equation is an identity, because it is always true.
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 52: 41
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