Some graphing calculators and computer programs contain a
Chapter , Problem 7.1.57(choose chapter or problem)
Some graphing calculators and computer programs contain a program that will assist you in solving a system of linear equations by rewriting the system in row echelon form. Use one of these programs to solve the systems in Exercises 55 to 58. ex1 + 2x2 - 3x3 - x4 + 2x5 = -10-x1 - 3x2 + x3 + x4 - x5 = 42x1 + 3x2 - 5x3 + 2x4 + 3x5 = -203x1 + 4x2 - 7x3 + 3x4 - 2x5 = -162x1 + x2 - 6x3 + 4x4 - 3x5 = -12
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