Respuesta :

Maybe you should try 18 it might work because it will all be equal






Answer:

x = 18

Step-by-step explanation:

given that the 3 lines are parallel then the parallel lines divide the transversals proportionally , that is

[tex]\frac{3}{9}[/tex] = [tex]\frac{6}{x}[/tex] ( cross- multiply )

3x = 54 ( divide both sides by 3 )

x = 18

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