Answer
slope = $3$
y-intercept: $(0, -2)$
Work Step by Step
Solve for $y$.
$3x-y=2
\\3x-y+y=2+y
\\3x=2+y
\\3x-2=2+y-2
\\3x-2=y
\\y=3x-2$
This means that the given equation is equivalent to, and has the same graph as $y=3x-2$.
RECALL
The slope-intercept form of a line's equation is $y=mx+b$ where $m$=slope and $(0, b)$ is the line's y-intercept.
Thus, the equation $y=3x-2$ has a slope of $3$ and a y-intercept of $(0, -2)$.