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

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asked Nov 28, 2021 214k views

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

Mathematics
high-school

Tom Imrei asked

by Tom Imrei

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2 Answers

3 votes

Explanation:

+ 3x + 4y: 12

3x _ 4y: 9

9x _ 0: 3

3: 9x : 3

3 3

Nils Von Barth answered Nov 30, 2021

by Nils Von Barth

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2 votes

Answer:

Explanation:

3x-4y=12

Shun Min Chang answered Dec 2, 2021

by Shun Min Chang

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