Which method should be used to solve the system? Explain your answer, including a description of the first step.
-$\begin{aligned}-2 x^{2}-y^{2} & =9 \ 3 x^{2}+4 y^{2} & =4\end{aligned}$

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The Answer of Which method should be used to solve the system? Explain your answer, including a description of the first step.
-$\begin{aligned}-2 x^{2}-y^{2} & =9 \ 3 x^{2}+4 y^{2} & =4\end{aligned}$

Which Method Should Be Used to Solve the System? Explain −2x2−y2=93x2+4y2=4\begin{aligned}-2 x^{2}-y^{2} & =9 \\ 3 x^{2}+4 y^{2} & =4\end{aligned}−2x2−y23x2+4y2​=9=4​

Which Method Should Be Used to Solve the System? Explain $\begin{aligned}-2 x^{2}-y^{2} & =9 \\ 3 x^{2}+4 y^{2} & =4\end{aligned}$