Question

решите неравенство и найдите значение X.
-2<1-3x<2

Answer 1

$\left \{ {{-2\ \textless \ 1-3x} \atop {1-3x\ \textless \ 2}} \right. \ \ ==\ \textgreater \ \left \{ {{3x\ \textless \ 3} \atop {3x\ \textgreater \ -1}} \right. \ \ ==\ \textgreater \ \left \{ {{x\ \textless \ 1} \atop {x\ \textgreater \ -\frac{1}{3} }} \right. \\ x \in (- \frac{1}{3} ;1)$