Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
Related questions
Question

Transcribed Image Text:**Two-Column Proof: Solving the Equation**
**Given:**
\(3(x + 1) = -x - 9\)
**Prove:**
\(x = -3\)
| **Statement** | **Reason** |
|---------------|------------|
| 1. \(3(x + 1) = -x - 9\) | Given |
| 2. \(3x + 3 = -x - 9\) | Distributive Property |
| 3. \(4x + 3 = -9\) | Add \(x\) to both sides |
| 4. \(4x = -12\) | Subtract 3 from both sides |
| 5. \(x = -3\) | Divide both sides by 4 |
This two-column proof demonstrates the step-by-step process of solving the given linear equation to prove that \(x = -3\). Each step involves a statement and the corresponding reason for the mathematical operation being performed.
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