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Mashutka [201]
2 years ago
7

25 points help me pls

Mathematics
1 answer:
antoniya [11.8K]2 years ago
7 0

Answer:

The first one is x=-y-2z-7

The second one is x=-1/3y + 1/3z + -4/3

The third one is x= 3y + 2z + 17

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