Question

Tìm giá trị của x sao cho: |2x - 3| = |1- x|     

Answer 1

l2x-3l=l1-xl

\(\Leftrightarrow\)3x=4   ;     x=2

\(\Leftrightarrow\)x=3/4   ;x=2   

Answer 2

Answer 3

    

Answer 4

\(\left|2x-3\right|=\left|1-x\right|\)

TH1: \(2x-3=1-x\)

\(\Rightarrow2x+x=1+3\)

\(\Rightarrow3x=4\)

\(\Rightarrow x=\dfrac{4}{3}\)

TH2: \(2x-3=x-1\)

\(\Rightarrow2x-x=-1+3\)

\(\Rightarrow x=2\)