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

$-2 - 7 = -9$

The result is $-9$.

Would you like more details or have any questions?

Here are five related questions to practice:

1. What is $-5 - 3$?
2. Simplify $-8 - 4$.
3. What is the result of $3 - 7$?
4. Evaluate $(-10) - 5$.
5. Simplify $0 - 9$.

Tip: When subtracting two negative numbers, imagine you're moving further left on the number line!