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Mathematics, 10.11.2019 07:31 vanydparis

3x - 3y - 3z = 30
-9x - 9y - 9z = 90
-1.5x - 1.5y - 1.5z = 15

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Answers: 1

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You know the right answer?
3x - 3y - 3z = 30
-9x - 9y - 9z = 90
-1.5x - 1.5y - 1.5z = 15...
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