Thursday

July 31, 2014

July 31, 2014

Posted by **Hero** on Wednesday, October 30, 2013 at 5:43pm.

- Math -
**Steve**, Wednesday, October 30, 2013 at 6:15pm6a+4c = 30

30-4c must be a multiple of 6, so

c can be 0,3,6,...

then a will be 5,3,1,...

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