A two-column proof provides a clear, organized structure to show how each step follows logically from the previous one using definitions, properties, or theorems. Here's the two-column proof for solving the equation \(25 + 5(4 - x) = 5\):

| **Steps** | **Reasons** |
|-----------|-------------|
| 1. \(25 + 5(4 - x) = 5\) | Given |
| 2. \(25 + 20 - 5x = 5\) | Distribute the 5 across \(4 - x\) |
| 3. \(45 - 5x = 5\) | Combine like terms: \(25 + 20 = 45\) |
| 4. \(-5x = 5 - 45\) | Subtract 45

Explore a step-by-step two-column proof for solving the linear equation 25 + 5(4 - x) = 5. This problem covers key algebraic concepts such as the distributive property and combining like terms. Suitable for students in Grades 7-9.

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