19 Triangles ABC and ADE have areas 2007 and 7002, respectively, with B = (0,0), C = (223, 0), D = (680, 380), and E = (689, 389). What is the sum of all possible x-coordinates of A? (A) 282 (B) 300...

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Extracted text: 19 Triangles ABC and ADE have areas 2007 and 7002, respectively, with B = (0,0), C = (223, 0), D = (680, 380), and E = (689, 389). What is the sum of all possible x-coordinates of A? (A) 282 (B) 300 (C) 600 (D) 900 (E) 1200