Question

first, write the expression as addition.
-3 - 5 = -3 + ( )

Explanation:

Step1: Recall subtraction rule

Subtracting a number is equivalent to adding its opposite. So, $a - b = a + (-b)$.

Step2: Apply to given expression

For the expression $-3 - 5$, using the rule above, we can rewrite it as $-3 + (-5)$ because subtracting 5 is the same as adding the opposite of 5, which is -5.

Answer:

-5