Algebra and Trigonometry, 8th edition
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PAGE: 785SET: ExercisesPROBLEM: 8
Please look in your text book for this problem Statement

The system of linear equations are .

The linear equations can be written as matrix form.

, The coefficient matrix is

First we can find the determinant of the coefficient matrix.

The determinant of a coefficient matrix is not zero.

                   (Apply Cramer Rule: )

                      (Apply cramer Rule: )

The solution is and y = 2.



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