tjohnson2635 tjohnson2635

28-09-2021
Mathematics

contestada

2x -y - 3z=20
3x + y + 6z= 4
x + 2y + 9z = -16

Respuesta :

28christianvl 28christianvl

30-09-2021

Answer:

-

Step-by-step explanation:

2

−

−

3

=

2

0

3

+

+

6

=

4

+

2

+

9

=

−

1

6

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