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Elimination Method
By LESLIE UGARTE LOPEZ
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Last updated almost 4 years ago
6 questions
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Question 1
1.
-x - y = 9
5x + y =-13
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Question 2
2.
3x + 8y = 2
-5x - 8y = -14
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Question 3
3.
7x + 4y = -27
7x - 4y = 13
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Question 4
4.
-7x + 3y = 26
2x - 3y = -1
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Question 5
5.
3x - 2y = - 21
7x + 2y = -29
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Question 6
6.
7x + 9y = 23
-5x -9y = -23
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