Answer
The solution is:
$$y = -\frac{2x}{5}$$
Work Step by Step
To solve for $y$, you need to isolate $y$.
First, subtract $2x$ from both sides of the equation:
$$5y = -2x$$
Now, you divide each side by $5$ to solve for $y$:
$$y = -\frac{2x}{5}$$
