Solve using Gauss-Jordan elimination.12x3 = -75x, -37x,- 85x, = - 17x,- 16x, = - 1X, +Select the correct choice below and fill in the answer box(es) within your choice.OA. The unique solution is x, =X2=U, and x, =X2 =and X3%3DThe system has infinitely many solutions. The solution is x, =X2 =, and x3 =iO B.(Simplify your answers. Type expressions using t as the variable.).%DThe system has infinitely many solutions. The solution is x, = | X2 =s, and x3 =t.OC.(Simplify your answer. Type an expression using s and t as the variables.)O D. There is no solution.

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Solve using Gauss-Jordan elimination. 2x, + 5x2 - 12x, = - 7 4x, + 37x, - 85xg = - 1 X, + 7x, - 16x3 = - 1 Select the correct choice below and fill in the answer box(es) within your choice. O A. The unique solution is x, =x2= and x, = !! The system has infinitely many solutions. The solution is x, =, X2 =0, and x3 =t OB. (Simplify your answers. Type expressions using t as the variable.) The system has infinitely many solutions. The solution is x, = O X2 = S, and x3 = t. OC. (Simplify your answer. Type an expression using s and t as the variables.) O D. There is no solution.