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elixir [45]
3 years ago
13

X + 2y – 4z = 1 -2x – 4y + 4z = 6 -4x – 3y – 4z = 21

Mathematics
1 answer:
elena55 [62]3 years ago
6 0

Answer:

x = - 1

y = - 3

z = -2

Step-by-step explanation:

Please see steps in the image attached here.

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