A solution set of the equations x-3y-8z+...

A solution set of the equations `x-3y-8z+10=0,3x+y-4z=0, 2x+5y+6z=13` is
(A)(2K+1,3-2K,K) (B) (2K-1,3+2K,K) (C) (1-2K,3-2K,K) (D) (2K-1,3-2K,K)

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