|2x|-2=2
\(\Rightarrow\)|2x|=2+2
\(\Rightarrow\)|2x|=4
\(\Rightarrow\)\(\left\{{}\begin{matrix}2x=4\\2x=-4 \end{matrix}\right.\)
\(\Rightarrow\)\(\left\{{}\begin{matrix}x=4:2\\x=-4:2\end{matrix}\right.\)
\(\Rightarrow\left\{{}\begin{matrix}x=2\\x=-2\end{matrix}\right.\)
Vậy x=2 hoặc x=-2
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