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Given the system of equations: X1 + 2x3 = -7 2x, - xy + 2x3 = 10 3x1 + x2 = -5 (a) Write the system in matrix format: Ax = b (b) Write the augmented matrix of the system. (C) Find the row-echelon form (ref) of the augmented matrix using Gauss elimination. (d) Use back substitution to find the solution x. (e) Use Gauss-Jordan elimination to find the reduced row-echelon form (rref) of the augmented matrix and determine the solution x. ( Verify your solution by hand and using in MATLAB.

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Given the system of equations: X1 + 2x3 = -7 2x, - xy + 2x3 = 10 3x1 + x2 = -5 (a) Write the system...
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