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January 30, 2015

January 30, 2015

Posted by **lost and confused** on Monday, June 2, 2014 at 7:04pm.

x-y=5

- math [linear equations] -
**Steve**, Monday, June 2, 2014 at 10:01pmIf you can plot points, remember that two points determine a line. So, pick two easy points and plot them. Then draw a line through them.

So, what's easy? How about letting x=0 or y=0? That gives us

0-y=5

y = -5

x-0=5

x=5

So, our two points are

(0,-5) and (5,0)

Now it should be clear. You can always pick other points if you want, but they won't really give you any more information.

If you want x=3, then 3-y=5 and y = -2 so the point (3,-2) is on the line too.

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