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Solve the system using Gaussian elimination and back substitution. Express your answer in vector form. 21+ 42 - 33 + 54-95=8 1 - 22 +33

Solve the system using Gaussian elimination and back substitution. Express your answer in vector form.

21+ 42 - 33 + 54-95=8 1 - 22 +33 - 44 - 5=-7 -22 +6*z - 8 - + 25= 3

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