To find the value of $k$, we substitute the coordinates of the point $(-4, -7)$ into the equation of line $n$.
We have $-7 = k(-4) - 7$.
Simplifying, we get $-7 = -4k - 7$.
Adding $4k$ to both sides and adding 7 to both sides, we get $0 = -4k$.
Therefore, $k = \boxed{0}$.
The answer is: 0
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
What is the value of $k$ in the equation of line $n$, $y = kx - 7$, if line $m$ with the equation $y = 3x + 5$ intersects with line $n$ at the point $(-4, -7)$?

### Answer:
