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August 21, 2014

August 21, 2014

Posted by **Anonymous** on Sunday, October 9, 2011 at 5:44pm.

- geometry -
**Henry**, Tuesday, October 11, 2011 at 10:09pmABD = DBC,

ABD + DBC = ABC,

(3x+25) + (3x+25) = 7x,

6x + 50 = 7x,

7x -6x = 50,

X = 50.

DBC = ABD = 3x + 25 = 3+50 + 25 = 175.

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