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31-08-2020
Mathematics

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Given segment CE and point D that lies on CE, find CD if CE = 15, CD = 30 + 3x, and ED = 25 + 2x

Respuesta :

31-08-2020

CD+DE=CE
(30+3x)+(25+2x)=15
55+5x=15
x=-8
CD=30-24=6

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