Wednesday

April 23, 2014

April 23, 2014

Posted by **don** on Saturday, September 15, 2012 at 3:45pm.

- geometry -
**Steve**, Saturday, September 15, 2012 at 10:53pmNo way to tell, unless ABCD is a parallelogram. In that case, AB=CD and AC=BD

12-y = 3x-4y

x+y = 18

(x,y) = (11,7)

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