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18-12-2020
Mathematics

contestada

9 x + 12 y – 39 z = 6
12 x + 20 y – 68 z = –8
–6 x – 12 y + 42 z = 12

Respuesta :

Аноним Аноним

18-12-2020

Answer:

number one :

x= 32+13z−4y

number two :

x= 3−5y+17z−2

number three :

x=−2y+7z−2

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