Question

Giúp mik bài 2 vớiii

Answer 1

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Answer 2

Bài 1: 

a: Ta có: \(\left|2x-\dfrac{1}{3}\right|=4\)

\(\Leftrightarrow\left[{}\begin{matrix}2x-\dfrac{1}{3}=-4\\2x-\dfrac{1}{3}=4\end{matrix}\right.\Leftrightarrow\left[{}\begin{matrix}2x=-\dfrac{11}{3}\\2x=\dfrac{13}{3}\end{matrix}\right.\Leftrightarrow\left[{}\begin{matrix}x=-\dfrac{11}{6}\\x=\dfrac{13}{6}\end{matrix}\right.\)