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Marinekn123
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Q:

Solve by elimination

5r-7s = -9

7r +5s = 91

Type an ordered pair..( )

 

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  • Posted on Aug 05, 2011 at 7:18:59PM
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tigerman20
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Preview: ... it is:  ...
The full tutorial is about 9 words long .
 
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Complete correct solution step by spte
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  • Posted on Aug 05, 2011 at 7:23:34PM
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Preview: ... r +5s = 91 Multiplying equation one with 5 25r -35s = -45 Mulit ...
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