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December 18, 2014

December 18, 2014

Posted by **Kathy Candell** on Tuesday, February 28, 2012 at 6:17pm.

- Algebra -
**em0chique**, Tuesday, February 28, 2012 at 9:56pmi think u wrote it incorrectly did u mean x+y= 9?? if so

x +y= 9

2x-y=-3

3x = 6

x = 2

or

x +y= 9 (-2) -2x-2y=-18

2x-y=-3 2x- y=-3

-3y=-21

y=7

u can use the elimination process to solve for both or u can solve for one and plug it in any one of the equations to solve for the other

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