evaluate -8 - 3 + 8 + (-3).

Explanation:

Step1: Combine like - terms

$-8 + 8-3+( - 3)$

Step2: Calculate each part

$-8 + 8=0$, and $-3+( - 3)=-3 - 3=-6$

Step3: Add results

$0+( - 6)=-6$

Answer:

$-6$