Which Method Should Be Used to Solve the System? Explain $$\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 9 \\x - 9 y = 10\end{array}$$

question 61

Essay

Which method should be used to solve the system? Explain your answer, including a description of the first step.
- $$\begin{array} { l } x ^ { 2 } + y ^ { 2 } = 9 \\x - 9 y = 10\end{array}$$

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