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1 February, 22:32

How do i solve 7x-y=21

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Answers (2)
  1. 2 February, 00:37
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    It is 3 because we multiply 3 and 7 and we get 21
  2. 2 February, 01:06
    0
    The answer answer is actually - 3 because you divided 7 from 21 and you get 3 then you divided - 1 because the y has a negative sing on it and you want it to be positive. That is why the answer is - 3
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