22-02-2017
Mathematics

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geometry help help help

geometry help help help class=

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Аноним Аноним

22-02-2017

BD = AC/2
4x+2 = (5x+13)/2

2(4x+2) = 5x+13
8x + 4 = 5x+13
8x - 5x = 13 -4
3x = 9
x = 3

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