Tìm x biết 5x-2/3 = 5-3x/2

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Tìm x biết 5x-2/3 = 5-3x/2

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Khải Quang 6 years 2020-11-25T19:11:32+00:00 2 Answers 91 views 0

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  1. Nho
    0
    2020-11-25T19:12:43+00:00
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    $\dfrac{5x-2}{3}=\dfrac{5-3x}{2}$

    $↔(5x-2).2=3.(5-3x)$

    $↔10x-4=15-9x$

    $↔10x-4-15+9x=0$

    $↔19x-19=0$

    $↔19x=19$

    $↔x=1$

     

  2. Dau
    0
    2020-11-25T19:13:29+00:00
    Reply

    `=> 2(5x-2)=3(5-3x)`

    `=> 10x-4=15-9x`

    `=> 10x+9x=15+4`

    `=> 19x=19`

    `=> x=19:19=1`

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