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Mathematics, 20.08.2019 07:30 habsofarah0

My teacher gave me a sheet of this and no instructions:
1. 5x+2y=10
-5x+7y=8
i don't know what i am suppose to do.

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Answers: 1

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You know the right answer?
My teacher gave me a sheet of this and no instructions:
1. 5x+2y=10
-5x+7y=8
i do...
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