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5x + 2y = -3; x …

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5x + 2y = -3; x + 5y = 4

    • Posted by Paras Jadhav 5 years, 7 months ago

    ICSE & ISC > Class 10 > Mathematics
    • 1 answers

    Yogita Ingle 5 years, 7 months ago

    5x + 2y = -3 ........ (i)
    x + 5y = 4
    x = 4 - 5y ........... (ii)
    Put (ii) in (i), we get
    5(4 - 5y) + 2y = -3
    20 - 15y + 2y =-3
    - 13y = - 3 - 20
    -13y = -23
    y = 23/13
    Put value of  y in (ii), we get
    x = 4 - 5(23/13)
    x = (52 - 5)/13 = 47/3
     

    2Thank You

    ANSWER
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