Answer
Please see the graph.
Work Step by Step
Let $x=0$:
$y=-2x+7$
$y=-2*0+7$
$y=7$
Let $y=0$:
$y=-2x+7$
$0=-2x+7$
$-7=-2x$
$-7/-2 = -2x/-2$
$3.5 = x$
Let $x=1$:
$y=-2x+7$
$y=-2*1+7$
$y=-2+7$
$y=5$
$(0,7), (3.5,0),$ and $(1,5)$ are on the line.