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OpenStudy (anonymous):
Given the system of equations, what is the value of the system determinant? 2x + y = 8 x - y = 10 -1 -2 -3
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OpenStudy (amistre64):
i assume your playing with cramers rule?
OpenStudy (amistre64):
\[detA=\begin{vmatrix}a&b\\c&d\end{vmatrix}=ad-bc\]
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