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Use Cramer's Rule to Solve the System {6x+4y2z=102x3y+4z=415x18z=21\left\{ \begin{aligned}6 x + 4 y - 2 z = & 10 \\2 x - 3 y + 4 z = & 4 \\15 x - 18 z = & - 21\end{aligned} \right.

question 7

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Use Cramer's rule to solve the system. {6x+4y2z=102x3y+4z=415x18z=21\left\{ \begin{aligned}6 x + 4 y - 2 z = & 10 \\2 x - 3 y + 4 z = & 4 \\15 x - 18 z = & - 21\end{aligned} \right.


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