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The image contains a set of math problems in Chinese, related to absolute values, distances on the number line, and solving equations. Below is a translation and breakdown of the problems:

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### Instructions:
We know that if points \( A \) and \( B \) on the number line represent real numbers \( a \) and \( b \), the distance between them is expressed as \( AB = |a - b| \). Therefore, the expression \( |x - 3| \) refers to the distance between the number represented by \( x \) and the number 3 on the number line. Based on this information, answer the following questions:

1. **What is the distance between the points 2 and 5 on the number line?**
   
2. **What is the distance between the points \( x \) and 2 on the number line?**
   
3. **What is the value of \( 5 - (-2) \)?**
   
4. **What is the meaning of the equation \( |x - 3| = 1 \)?**
   
5. **If \( |x - 3| = |x + 1| \), what is the value of \( x \)?**
   
6. **If \( |x - 3| + |x + 1| = 6 \), what is the value of \( x \)?**
   
7. **If \( |x - 3| + |x + 1| \) reaches its minimum value, what condition must \( x \) satisfy? What is the minimum value at this point?**
   
8. **If \( |x - 3| + |x + 1| - 2|x + 1| \) reaches its minimum value, what condition must \( x \) satisfy? What is the minimum value at this point?**

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The image contains a set of math problems related to absolute values and distances on the number line.

This exercise covers solving absolute value equations and finding distances between points on a number line. Topics include absolute value properties, linear equations, and minimum value conditions.

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