The solution to the expression $-7 + (-1)$ is:

$-7 + (-1) = -8$

Would you like further details or have any questions?

Here are 5 related questions you might want to explore:

1. What is the result of $-7 - 1$?
2. How do you add negative numbers?
3. What is the absolute value of $-8$?
4. What happens when you subtract a negative number?
5. Can you explain the rules for combining positive and negative integers?

Tip: When adding two negative numbers, simply add their absolute values and keep the negative sign.