|2X-1|-|X+ $\frac{1}{3}$ |=0

|2X-1|-|X+ $\frac{1}{3}$ |=0

0 thoughts on “|2X-1|-|X+ $\frac{1}{3}$ |=0”

  1. `|2x – 1| – |x + 1/3| = 0`

    `<=> |2x – 1| = |x + 1/3|`

    `<=>` \(\left[ \begin{array}{l}2x – 1 = x + \dfrac{1}{3}\\2x – 1 = -x – \dfrac{1}{3}\end{array} \right.\) 

    `<=>` \(\left[ \begin{array}{l}x = \dfrac{4}{3}\\x = \dfrac{2}{9}\end{array} \right.\) 

    Reply
  2. Đáp án:

     

    Giải thích các bước giải:

    `|2x-1|-|x+1/3|=0`
    `=>|2x-1|=|x+1/3|`
    TH1
    `2x-1=x+1/3`
    `=>x=1/3+1=4/3`
    TH2
    `2x-1=-x-1/3`
    `=>3x=2/3`
    `=>x=2/9`

    Reply

Leave a Comment