Find the values of w, x, y and z in fraction form using (a)Gauss Elimination, (b)Gauss-Jordan Elimination and (c)Cramer's Rule. 8w – 5x + 9z – 2y = 5 2x + 8z + 2y = 3 7z – 6w – 8x + 4y = 3 w + 5x + 2z = 1 %3D

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