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December 22, 2014

December 22, 2014

Posted by **BOB** on Sunday, January 16, 2011 at 7:05pm.

- MATH -
**helper**, Sunday, January 16, 2011 at 7:22pmFind AC? I assume you have a typo above?

BC = BA + AC

5x - 3 = 2x + 5 + AC

3x - 8 = AC

since A is the MP of BC and BA = 2x + 5

BC = 2(BA)

BC = 2(2x + 5)

BC = 4x + 10

BC = BC

5x - 3 = 4x + 10

x = 13

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