यदि 3(x + y)= 81 और 〖𝟖𝟏)(x - y)= 3 है, तो x का मान ज्ञात करें –

  • 1

    42

  • 2

    15 / 8

  • 3

    17 / 8

  • 4

    39

Answer:- 3

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