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April 21, 2014

Homework Help: Gemoetry question

Posted by Jim on Saturday, August 4, 2007 at 12:24pm.

B is the midpoint of line Ac
AB=3x
AC=7x-5
How do I find what the value of BC is?

Since B is the midpoint, AB = BC
3x = 7x -5
4x = 5
x = 5/4

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