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1. Use Gaussian Elimination and back substitution to solve the following system of equations. 3x - 5y 4z -9 2x + 2y +5z 16 4x

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1. Use Gaussian Elimination and back substitution to solve the following system of equations. 3x - 5y 4z -9 2x + 2y +5z 16 4x - 2y + 3z 12

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