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In ΔABC, D and E are points on the sides AB and AC respectively such If AD = x, DB = x − 2, AE = x + 2 and EC = x − 1, find the value of x.

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asked Feb 10, 2018 in Mathematics by sforrest072 (157,439 points) ● 60 ● 409 ● 936
In ΔABC, D and E are points on the sides AB and AC respectively such

If AD = x, DB = x − 2, AE = x + 2 and EC = x − 1, find the value of x.

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+1 vote
answered Feb 10, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 15
edited Mar 5, 2018 by faiz
 
Best answer

We have,
DE || BC
Therefore, by basic proportionality theorem, 

We have,

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