Rewrite the subtraction expression as the addition of the opposite. \[ -13-(-8)=-13+8 \] Simplify the expression. \( \quad-13+8=\square \)

When you rewrite the subtraction expression by taking the opposite of the second term, you're transforming the operation. So, instead of subtracting \(-8\), you add its positive equivalent, which gives you \(-13 + 8\). Now, let's simplify \(-13 + 8\). When you combine these numbers, you essentially take 8 away from 13. Thus, you get \(-5\), filling in the square: \(-13 + 8 = \square\) where \(\square = -5\).