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Solve the following system of equations:

2x + 4y − 3z = −7 

3x + y + 4z = −12 

x + 3y + 4z = 4 (1 point)

A. (−6, −2, −1)

B. (6, −2, −1)

C. (−6, 2, 1)

D. (6, 2, 1)

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