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March 4, 2015

March 4, 2015

Posted by **Richard** on Monday, July 25, 2011 at 9:39pm.

9x-9y=18

7y-3x=-8

please solve step by step

thank you for your help

- math -
**PsyDAG**, Tuesday, July 26, 2011 at 12:20pmMultiply second equation by 3.

21y-9x = 24

Add the two equations.

12y = 42

I hope you can take it from here.

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