danielsito0 danielsito0

29-09-2021
Mathematics

contestada

x + 2y - z = -2
2x -8y + z = -7
-2x + 12y - 3z = 7

Respuesta :

Аноним Аноним

30-09-2021

Answer:

+

2

−

=

−

2

2

−

8

+

=

−

7

−

2

+

1

2

−

3

=

7

Step-by-step explanation:

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