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20 August, 05:48

8x-5y=11 4x-3y=5 solve using elimination method

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  1. 20 August, 08:55
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    8x-5y=11

    4x-3y=5

    solution;

    4 (8x-5y=11)

    8 (4x-3y=5)

    it becomes, [32x-20y=44

    - [32x-24y=40

    (32x-32x) + (20y--24y) = 44-40

    it becomes 20y+22y=4

    44y=4, dividing by 44 on both sides, it becomes y=1/11

    thus, y=1/11 but 4x-3y=5

    4x=5+3y

    4x=5+3/11

    4x=55/11+3/11

    4x=58/11, cross multiplying, it becomes. 44x=58

    x=58/44

    x=29/22

    therefore, x=29/22 and y=1/11
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