Answer
$$ m=-2 \\ y-intercept =5$$
Work Step by Step
We know that $y=mx+b$, where m is the slope and b is the y-intercept. Using this, we find that the equation in slope intercept form is:
$$ 2x+y=5\\ y=5-2x$$
Thus, the slope is -2 and the y-intercept is 5.