You can put this solution on YOUR website! x + 3y = 9
.
Get the equation into slope-intercept form.
.
3y = -x +9
y = -x/3 +3
.
slope = -1/3
.
y-intercept = (0,3)
.
x-intercept can be found by setting y=0 and solving for x.
0 = -1/3*x + 3
1/3*x = 3
x = 9
(9,0)
.
With two points you can draw a line.
.