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X + 2y - z = -2 2x -8y + z = -7 -2x + 12y - 3z = 7
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4 votes
X + 2y - z = -2
2x -8y + z = -7
-2x + 12y - 3z = 7

User Elmalto
by
4.8k points

1 Answer

4 votes

Answer:

+

2

−

=

−

2

2

−

8

+

=

−

7

−

2

+

1

2

−

3

=

7

Explanation:

User Trungdinhtrong
by
5.1k points
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