To solve the equation \( \frac{x}{-5} = -6 \), you can multiply both sides of the equation by \(-5\) to isolate \(x\).
So, the equation becomes:
\[ x = -6 \times -5 \]
Calculating the right side:
\[ x = 30 \]
Thus, you should multiply both sides by \(-5\) to solve for \(x\).