a, 3(x-1/2) – 5 (x+3/5 ) = -x+1/5

a, 3(x-1/2) – 5 (x+3/5 ) = -x+1/5

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  1. Giải thích các bước giải:

    `a)3(x−1/2)−5(x+3/5)=−x+1/5`

    `⇔3x−3/2−5x−3=−x+1/5`

    `⇔3x−5x+x=1/5+3/2+3`

    `⇔−x=47/10`

    `⇔x=−47/10`

    Reply
  2. Đáp án:  `x=-4,7`

      

    Giải thích các bước giải:

    `3(x-1/2) – 5 (x+3/5 ) = -x+1/5`

    `⇔3x-3/2-5x-3=-x+1/5`

    `⇔3x-5x+x=1/5+3/2+3`

    `⇔-x=47/10`

    `⇔x=-4,7`

    Reply

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