Answer
Please see the graph.
Work Step by Step
Three points on the line:
Let $x=0$:
$x-y=-2$
$0-y=-2$
$-y=-2$
$-1*(-y=-2)$
$y=2$
Let $y=0$:
$x-y=-2$
$x-0=-2$
$x=-2$
Let $x=4$
$x-y=-2$
$4-y=-2$
$4-y+y+2=-2+y+2$
$6 = y$
$(0,2), (-2,0),$ and $(4,6)$ are on the line.