Question: Solve the given systems of equations by using the coefficient matrix. Use a calculator to perform the necessary matrix operations and display the results and

Solve the given systems of equations by using the coefficient matrix. Use a calculator to perform the necessary matrix operations and display the results and the check.

6x + 4y − 4z − 4t = 0

5y + 3z + 4t = 3

6y − 3z + 4t = 9

6xy + 2z − 2t = −3

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