Answer
$y=\frac{1}{2}x-\frac{5}{2}$.
Work Step by Step
We isolate y with its coefficient by subtract 2x from both sides. We have $2x-4y=10$ is $-4y=-2x+10$. Now, we divide -4 from both sides to get y by itself. $\frac{-4y}{-4}=\frac{-2x+10}{-4}$ equals $y=\frac{1}{2}x-\frac{5}{2}$.