1/2.(2x-1/3)+2-(1/2x-1)=3/4x+1/2

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1/2.(2x-1/3)+2-(1/2x-1)=3/4x+1/2

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Farah 1 year 2020-10-21T14:42:22+00:00 2 Answers 73 views 0

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    0
    2020-10-21T14:43:55+00:00

    `1/2(2x-1/3)+2-(1/2x-1)=3/4x+1/2`

    `⇒x-1/6+2-1/2x+1=3/4x+1/2`

    `⇒x-3/4x-1/2x=1/2+1/6-1-2`

    `⇒-1/4x=-7/3`

    `⇒x=(-7)/3:(-1)/4=28/3`

    Vậy `x=28/3`

     

    0
    2020-10-21T14:44:00+00:00

    Đây ạ
    1-2-2-1-3-2-1-2-1-3-4-1-2

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )