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December 19, 2014

December 19, 2014

Posted by **jay** on Sunday, February 27, 2011 at 7:41pm.

x+7y=58

-x+4y=30

- algebra -
**PsyDAG**, Monday, February 28, 2011 at 10:32amAdd the two equations.

11y = 88

Solve for y. Insert value in one equation to find x. Check by inserting both values into other equation.

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