-9- (-5)

To solve this expression, we can rewrite the expression as -9 + 5.

Therefore, -9 + 5 is equal to -4.

To simplify the expression -9 -(-5), we first need to understand the concept of "minus a negative" operation.

When subtracting a negative number, we can rewrite it as adding the positive version of that number. So, -(-5) is essentially the same as +5.

Now let's solve the expression step by step:

-9 - (-5)

Since -(-5) equals +5, we can rewrite the expression as:

-9 + 5

Now, we can add -9 and +5:

-9 + 5 = -4

Therefore, -9 - (-5) simplifies to -4.