What are the solutions to the equation |x| =15 -4x?

A - The valid solution is x = 3, and the extraneous solution is x = 5.

B - The valid solution is x = 5, and the extraneous solution is x = 3.

C - The two extraneous solutions are x = 3 and x = 5.

D - The two valid solutions are x = 3 and x = 5.