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December 21, 2014

December 21, 2014

Posted by **Clenisford J** on Sunday, January 22, 2012 at 5:58pm.

x+7y=9 (1)

x=4-7y (2)

- math problem -
**PsyDAG**, Monday, January 23, 2012 at 11:36amSubstitute 4-7y for x in first equation and solve for y. Insert that value into the second equation and solve for x. Check by inserting both values into the first equation.

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