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Mathematics, 27.01.2020 02:31 cjulius9437

3math problem show step by step

1. 5x+y=-12
5x-7y=4

2. -5x+4y=-3
-9x-y=-30

3, -9x+6y=27
-x+3y=10

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3math problem show step by step

1. 5x+y=-12
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