Answer: In Exercises 3-6, solve the systems of equations using Gaussian elimination. (a)
Chapter 7, Problem 5(choose chapter or problem)
In Exercises 3-6, solve the systems of equations using Gaussian elimination. (a) Perform the back substitution using equations. (b) Perform the back substitution using matrices. x1 - x2 + 2x3 = 32x1 - 2x2 + 5x3 = 4X1 + 2X2 - X3 = -32x2 + 2x3 = 1
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