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OpenStudy (anonymous):
When using the substitution method, what expression for y in the first equation would be substituted in the second equation? 5x – y = –2 9x + 2y = 23 –5x – 2 5x – 2 –5x + 2 5x + 2 When using the substitution method, what expression for y in the first equation would be substituted in the second equation? 5x – y = –2 9x + 2y = 23 –5x – 2 5x – 2 –5x + 2 5x + 2 @Mathematics
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OpenStudy (anonymous):
Im guessing the last one since it's equal to the first equation...
OpenStudy (anonymous):
*last answer choice, i mean...*
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