To solve the equation \( \frac{y}{3} = 2x \) for \( y \), you need to isolate \( y \).
Here are the steps:
- Multiply both sides of the equation by 3 to eliminate the fraction:
\[ y = 2x \cdot 3 \]
- Simplify the right side:
\[ y = 6x \]
So, the solution is:
\[ y = 6x \]