The expression \( \frac{x}{2} - 4 \) represents a mathematical formula where:

1. The variable \( x \) is divided by 2, giving \( \frac{x}{2} \).
2. Then, 4 is subtracted from the result.

In other words, this expression tells you to divide \( x \) by 2 first, then subtract 4 from the quotient.

For example:
- If \( x = 10 \), then \( \frac{10}{2} - 4 = 5 - 4 = 1 \).
- If \( x = 8 \), then \( \frac{8}{2} - 4 = 4 - 4 = 0 \).

Would you like further details, or do you have any specific questions?

### Related Questions:
1. How would this expression change if we added instead of subtracted 4?
2. How do you solve an equation if this expression equals another value, like \( \frac{x}{2} - 4 = 10 \)?
3. What would \( \frac{x}{2} - 4 \) look like as a graph?
4. Can you show how to simplify expressions similar to \( \frac{x}{2} - 4 \)?
5. How does dividing by a different number affect the expression?

#### Tip:
In expressions, always perform operations in the order specified: division/multiplication before addition/subtraction unless there are parentheses.

Explore the meaning of the algebraic expression x/2 - 4, where you divide x by 2 and then subtract 4. Learn through examples how to evaluate this expression and understand the basic order of operations, ideal for students in Grades 6-8.

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