3𝒙 - 𝟓𝒚 = 5 तथा 𝒙/(𝒙+𝒚) = 𝟓/𝟕, हो, तो (𝒙 - 𝒚) = ?

  • 1

    3

  • 2

    4

  • 3

    6

  • 4

    N.O.T.

Answer:- 1

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