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.

A + B + 2C − 3D = 15

3A + 3B − 8C − 2D = 9

6A − 4B + 6C + D = −6

2A + 2B − 4C − 2D = 8

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