Question: In Exercises 35, solve each system of equations using matrices. Use Gaussian elimination with back-substitution or Gauss-Jordan elimination. 3x1 + 5x2 - 8x3 + 5x1

In Exercises 3–5, solve each system of equations using matrices. Use Gaussian elimination with back-substitution or Gauss-Jordan elimination. 3x1 + 5x2 - 8x3 + 5x1 = -8 3x3 + X4

3x1 + 5x2 - 8x3 + 5x1 = -8 3x3 + X4 = x1 + 2x2 - = -7 2x1 + 3x2 7x3 + 3x4 = -11 4x1 + 8x2 - 10x3 + 7x4 = -10

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