You can put this solution on YOUR website! set x = 0. then y = x-2 = -2. So one point is (0, -2)
set y = 0. then 0 = x -2. So x = 2. Another point is (2, 0)
Now plot those two points and draw the line connecting them.
You might want to get geogebra to help. See this URl for a list of handy free tools you might consider using --> http://collabvsl.wetpaint.com/page/Mathematics+Applications
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