apply a graphing utility and matrix algebra to solve the
Chapter 10, Problem 74(choose chapter or problem)
apply a graphing utility and matrix algebra to solve the system of linear equations. 12.4x - 5.8y + 2.7z =-60.9 -3.9x + 1.9y - 0.6z = 18.73 6.4x - 4.3y + 8.5z =-62.79
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