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Mathematics, 09.09.2021 14:00 aprilkenedy12

-x + y -4z=23
4x +4y -5z=13
-4x + 3y+ 2z =2

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-x + y -4z=23
4x +4y -5z=13
-4x + 3y+ 2z =2

Need the three solution set...

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