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Mathematics, 26.04.2020 06:22 endermss1970

−4x − 5y − z = 18
−2x − 5y − 2z = 12
−2x + 5y + 2z = 4

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Answers: 3

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You know the right answer?
−4x − 5y − z = 18
−2x − 5y − 2z = 12
−2x + 5y + 2z = 4...
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