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January 26, 2015

January 26, 2015

Posted by **chance** on Wednesday, October 6, 2010 at 9:43pm.

- geometry -
**Reiny**, Wednesday, October 6, 2010 at 10:34pmIs this a triangle?

then solve

2x+7 + 3x+5 + 5x-4 = 68

put x back into the expressions

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