Question: Apply Gaussian Elimination method to solve the following linear systems equations: 3 x 1 + 1 x 2 - 2 x 3 + 7 =

Apply Gaussian Elimination method to solve the following linear systems equations:

3 x ₁ + 1 x ₂ - 2 x ₃ + 7 = 0

2 x ₁ + 2 x ₂ + 1 x ₃- 9 = 0

- 1 x ₁ - 1 x ₂ + 3 x ₃- 6 = 0

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