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November 20, 2014

November 20, 2014

Posted by **Glenda** on Wednesday, October 27, 2010 at 6:53pm.

- 8th grade -
**bobpursley**, Wednesday, October 27, 2010 at 7:27pma+b+c=25

a=2b-2

c=b+3

a+b+c=25

(2b-3)+b+(b+3)=25 solve for b, then solve for a, and c

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