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3x + 4y = 9 3x - 4y = 12
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3x + 4y = 9
3x - 4y = 12

User Tom Imrei
by
7.5k points

2 Answers

3 votes

Explanation:

+ 3x + 4y: 12

3x _ 4y: 9

9x _ 0: 3

3: 9x : 3

3 3

User Nils Von Barth
by
7.9k points
2 votes

Answer:

Explanation:

3x-4y=12

User Shun Min Chang
by
8.3k points
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