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December 17, 2014

December 17, 2014

Posted by **ANNIE** on Wednesday, February 27, 2013 at 8:46pm.

I don't understand this, so please show work.

- math -
**PsyDAG**, Wednesday, February 27, 2013 at 8:57pmA + Y = 26, so Y = 26 - A

15A + 12Y = 330

Substitute 26-A for Y in second equation and solve for A. Insert that value into the first equation and solve for Y. Check by inserting both values into the second equation.

- Need more help -
**NEED HELP**, Wednesday, February 27, 2013 at 9:38pmI don't understand the substitute part.

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