\(\left|2x-5\right|=3\)
\(\Rightarrow\left[{}\begin{matrix}2x-5=3\\2x-5=-3\end{matrix}\right.\)\(\Rightarrow\left[{}\begin{matrix}2x=2+5\\2x=-3+5\end{matrix}\right.\)\(\Rightarrow\left[{}\begin{matrix}x=\dfrac{7}{2}\\x=\dfrac{2}{2}=1\end{matrix}\right.\)
vậy \(\left[{}\begin{matrix}x=\dfrac{7}{2}\\x=1\end{matrix}\right.\)
