Answer
x = -5
Work Step by Step
1. Given: 9x + 1 = 7x - 9
2. Subtract: 2x = -10
3. Divide: x = -5
4. Check: 9(-5) + 1 = 7(-5) - 9
-44 = -44, so the solution is correct.
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: 22
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