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(Solved): Solve the system of equation for y using Cramer's rule. Hint: The determinant of the coefficient m ...
Solve the system of equation for y using Cramer's rule. Hint: The determinant of the coefficient matrix is \( -23 \). \[ \begin{array}{l} 5 x+y-z=-7 \\ 2 x-y-2 z=6 \\ 3 x+2 z=-7 \\ \quad-\frac{1}{4} \\ \frac{1}{4} \\ -4 \end{array} \] 4