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August 31, 2014

August 31, 2014

Posted by **kristie** on Wednesday, December 8, 2010 at 9:41pm.

- math -
**drwls**, Thursday, December 9, 2010 at 2:24am1/2 (a + b) = 79

a - b = 11

I don't know what "five steps" you have been taught, but this is a standard algebra problem

Solve by elimination, substitution, or trial and error.

The scores will not be integers in this case.

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