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March 2, 2015

March 2, 2015

Posted by **Joe** on Sunday, January 31, 2010 at 7:10pm.

2r-5s= -11

5r+2s= 16

- Elimination Method... -
**Damon**, Sunday, January 31, 2010 at 7:36pm2r-5s= -11 times 5 is 10r-25s= -55

5r+2s= +16 times 2 is 10r+ 4s= +32

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**********subtract*****0r -29s=-87

s = 87/29

2r -5(87/29) = -11

2 r - 435/29 = -11

2 r = (-319+435)/29

2 r = 116/29

r = 58/29

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