其它
If $$\left\textbar{} 2x-5 \right\textbar=7$$, $x=$~\uline{~~~~~~~~~~}~. 
Overseas Competition->Knowledge Point->Calculation Modules->Basic Concepts of Equation->Inequalities->Solving Inequalities
$$2x-5=\pm 7$$  $$x=6$$ or $$x=-1$$ 