1.Solve the following linear systems using Cramer's Rule and Gauss – Elimination Method. i. 5x – 2y = 20.9 -x + 4y = -19.3 2x + y – 3z = 8 ii. 5x + 2z = 3 8x – y + 7z = 0 2x – y + 3z = -1 ii. -4x + 2y – 6z = 2 %3D

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