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

User Wakumaku
by
2.5k points

1 Answer

10 votes
10 votes

Answer:

+

2

=

2

2

8

+

=

7

2

+

1

2

3

=

7

Explanation:

User Gooberboobbutt
by
2.7k points