Solve using Gaussian Elimination with back-substitution or Gauss Jordan 5x1 + 2x2 + X3 = 0 2x1 + x2 = 3 O ¤1 = -2, x2 = 4, x3 = 2 %3D %3D O x1 = -1, 22 = 2, x3 =1 %3D %3D O 1 = -7, x2 = 14, x3 = 7 O All of the choices

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A: According to our guidelines we can answer only one question and rest can be reposted.

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