The expression \( 7 - (-2) \) simplifies as follows:

Subtracting a negative number is the same as adding the positive version of that number. So:

\[
7 - (-2) = 7 + 2 = 9
\]

Therefore, \( 7 - (-2) = 9 \).

Would you like any more details or have any questions?

Here are 5 related questions you might find interesting:
1. What is \( 5 - (-3) \)?
2. How do you simplify \( -4 - (-7) \)?
3. Can you explain why subtracting a negative number is equivalent to adding a positive number?
4. What is the result of \( 10 - (-5) + (-3) \)?
5. How do you solve \( x - (-y) = z \) for \( x \)?

**Tip:** When you subtract a negative number, always think of it as adding the absolute value of that number.

Learn how to simplify the arithmetic expression 7 - (-2). This problem involves key concepts in integer operations and subtraction of negative numbers. Suitable for students in Grades 6-8.

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