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Which Method Should Be Used to Solve the System? Explain x2+9y2=49\mathrm{x}^{2}+9 \mathrm{y}^{2}=49

Question 147

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Which method should be used to solve the system? Explain your answer, including a description of the first step.
- x2+9y2=49\mathrm{x}^{2}+9 \mathrm{y}^{2}=49
−9x2+8y2=25-9 x^{2}+8 y^{2}=25

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Either method may be used. Elimination m...

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