What is -6 - -4 equivalent to?

To determine the value of -6 - -4, it's important to recognize how subtraction of a negative number works. Subtracting a negative number is equivalent to adding the positive value of that number.

So, when you encounter -6 - -4, this can be rewritten as -6 + 4, because subtracting -4 is the same as adding 4.

Now, we can perform the calculation:

-6 + 4 equals -2.

Thus, the expression -6 - -4 simplifies to -2, supporting that this is the correct answer.