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Mathematics, 13.09.2019 06:20 kimjooin02

3x + 2y - z=4
2x + 4y +z = 9
x -y + 2z = 5
what is y equal too

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3x + 2y - z=4
2x + 4y +z = 9
x -y + 2z = 5
what is y equal too...

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