See solution: In Exercises 2138, solve each system of equations using matrices.Use
Chapter 6, Problem 31(choose chapter or problem)
In Exercises 2138, solve each system of equations using matrices.Use Gaussian elimination with back-substitution or Gauss-Jordanelimination.c3a - b - 4c = 32a - b + 2c = -8a + 2b - 3c = 9
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