Question: f4. Solve the following linear system using the Gaussian Elimination with back- substitution method. X1 - 3xa = -2 3x1 + X2 - 2x3 =

\f4. Solve the following linear system using the Gaussian Elimination with back- substitution method. X1 - 3xa = -2 3x1 + X2 - 2x3 = 5 2x1 + 2x2 + X3 = 4 (4 marks)

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