20-09-2018
Mathematics

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if line y bisects AC, AB = 4-5x, and BC =2x+25, AC

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Veridian Veridian

26-09-2018

4 - 5x = 2x + 25
4 = 7x + 25
-21 = 7x
-3 = x

4 - 5x + 2x + 25 = ac
4 - 5(-3) + 2(-3) + 25 = ac
4 - (-15) + (-6) + 25 = ac
19 + (-6) + 25 = ac
38 = ac

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