Determine the result of -17 - (-34).

To solve the expression -17 - (-34), you need to understand how subtraction and negative signs work. The expression involves subtracting a negative value, which is mathematically equivalent to adding its positive counterpart.

Starting with the expression, you rewrite it as follows:

-17 - (-34) becomes -17 + 34.

Now, you can carry out the addition. You start at -17 on the number line and move 34 units to the right (since you are adding).

1. From -17, moving 17 units to the right brings you to 0.
2. You still have 17 additional units to move, which brings you to +17.

Thus, the final result is 17, meaning that subtracting a negative number results in effectively adding that number. This confirms that the answer is indeed 17.