To solve for \( m \) in the equation
\[ \frac{m}{8} - 4 = -12, \]
follow these steps:
- Add 4 to both sides:
\[ \frac{m}{8} = -12 + 4 \]
\[ \frac{m}{8} = -8. \]
- Multiply both sides by 8 to isolate \( m \):
\[ m = -8 \times 8 \]
\[ m = -64. \]
So the solution is
\[ \boxed{-64}. \]
The correct response is \( m = -64 \).