Which ordered triple represents all of the solutions to the system of equations shown below?

2x - 2y - z = 6

-x + y + 3z = -3

3x - 3y + 2z =

A. (-x, x + 2, 0)

B. (x, x - 3, 0)

C. (x + 2, x, 0)

D. (0, y, y + 4)

9

B ( x, x-3,0) with 9 on the RHS of the third equation

Because 2x-2x+6-0=6

-x+x-3+0 = -3

3x-3x+9+0=9

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