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Mathematics, 10.12.2019 08:31 vvvvvvvv84

1.) y = 6x
2x + 3y = -20

2.) x = 3y
3x - 5y = 12

3.) x = 2y + 7
x = y + 4

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Answers: 3
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You know the right answer?
1.) y = 6x
2x + 3y = -20

2.) x = 3y
3x - 5y = 12

3.) x = 2y + 7...
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