Solve for the values of x₁, x₂ and x3 using Gauss elimination. 5x₁2x₂ + 3x3 = -1 -3x₁ + 9x₂ + x3 = 2 2x₁-x₂7x3 = 3 Solve for the values of x₁, x₂ and x3 in problem in No. 7 using the Gauss-Jordan Method

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