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To evaluate the expression \(-3 - (-6)\), you can apply the concept of the additive inverse. The additive inverse of a number is what you add to it to get zero.
In this case, the expression \(-3 - (-6)\) can be rewritten as \(-3 + 6\) because subtracting a negative number is equivalent to adding its positive counterpart.
Now, you can evaluate:
\[
-3 + 6 = 3
\]
So, the correct response is:
**Because -3 + 6 is an equivalent expression, the answer is 3.**