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OpenStudy (anonymous):
Solve using two different methods. Explain which method you found to be more efficient. 1. 3x - 9y = 3 6x - 3y = -24 2. 7x-3y=20 5x+3y=16 3. y= 1/2x - 6 2x +6y=19
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OpenStudy (anonymous):
what method have you learned?
OpenStudy (anonymous):
only elimination is what I can remember. this is for a study guide.
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