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August 28, 2014

August 28, 2014

Posted by **Agnes** on Wednesday, December 16, 2009 at 5:25pm.

- algebra -
**Charlie**, Wednesday, December 16, 2009 at 5:30pmx+12+x-5+x=40

3x+7=40

3x=33

x=11

x-5+6

x+12=23

23, 11, 6

- algebra -
**Ms. Sue**, Wednesday, December 16, 2009 at 5:31pmLet m = the length of the medium sized side.

m + m - 5 + m + 12 = 40

3m + 7 = 40

3m = 33

m = ?

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