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Solve the system of equations using matrices. Use the Gaussian elimination method with back-substitution. 4x +4y + 16z = 12 4x + 3y + 13z

Solve the system of equations using matrices. Use the Gaussian elimination method with back-substitution. 4x +4y + 16z = 12 4x + 3y + 13z = 7 4x + 8y +24z = 36 The solution set is (Simplify your answers.)

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