Respuesta :

Given that BD = 3 x+ 5,

AE = 5 x + 19

( 5 x + 19 ) / ( 3 x+ 5 ) = 2

cross- multiply, we have :

5 x + 1 9 = 2 ( 3 x+ 5 )

5 x + 19 = 6x + 10

collecting like terms , we have :

19 - 10 = 6 x - 5 x

x= 9

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