Solve the system of equations. 2x - y + z = - 7 x - 3y + 4z = - 19 -x + 4y - 3z = 18. A. There is one solution (1, - 2, 3). B. There is one solution (-1, - 2, - 3). C. There is one solution (1, 2, 3). D. There is one solution (-1, 2, - 3).
Answers (1)