The system of linear equations x+2y+4z=a...

The system of linear equations `x+2y+4z=a, 3x-y+5z=b, 2x-3y+z=c` have more than two solutions then which of following is true (A) `b-a-c=0` (B) `c-a-b=0` (C) `a-b-c=0` (D) `a+b+c=0`

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