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Trevor solved the system of equations below. What mistake did he make in his work? 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 − 2x) = 10 x − 10 + 4x = 10 5x − 10 = 10 5x = 0 x = 0 2(0) + y = 5 y = 5 a.
asked
Aug 27, 2016
Mathematics
high-school
1
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1
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23.8k
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Why did states establish republican forms of government
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Apr 4, 2015
History
high-school
2
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5
votes
225k
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