solve for q.

To solve the equation \( \frac{q}{2} = -2 \), you can follow these steps:

1. Multiply both sides of the equation by 2 to eliminate the fraction:

\[
q = -2 \times 2
\]

2. Simplify the right side:

\[
q = -4
\]

So, the solution is \( q = -4 \).