Respuesta :

DE= x-4 
EF = 2x+5
DF = 4x-8

now,  Point E is between points D and F

so, DF = DE + EF

[tex]4x-8 = (x-4) + (2x+5) \\ 4x-8 = 3x +1 \\ x = 9[/tex]

Answer:

Step-by-step explanation:

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