(iv)
15x + 17y = 21 व 17x + 15y = 11 यावरून x +y ची किंमत काढा.​

Question

(iv)
15x + 17y = 21 व 17x + 15y = 11 यावरून x +y ची किंमत काढा.​

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Eliza 2 years 2021-07-03T09:32:54+00:00 1 Answers 0 views 0

Answers ( )

  1. Reagan
    0
    2021-07-03T09:34:11+00:00
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    Step-by-step explanation:

    15x+17y=21____(1)

    17x+15y=11_____(2)

    equation(1)+equation(2)

    15x+17y=21

    + 17x+15y=11

    _________

    32x+32y=32______(Divide by 32)

    Now, x+y=1_____(3)

    Therefore, x+y=1 .

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