Question

|2x-3|=15 Поможіть дуже-треба

Answer 1

$|2x-3|=15\\ \left [\begin{gathered}\left\{ {{2x-3>=0}\atop {2x-3=15}}\right.\\ \left \{ {{2x-3<0} \atop {2x-3=-15}} \right. \end{gathered}\right.\\ \left [\begin{gathered} \left\{ {{x>=1.5}\atop {x=9}}\right.\\ \left \{ {{x<1.5} \atop {x=-6}} \right. \end{gathered}\right.$

Ответ: $x=-6;9$