Řeš v \( \R \) nerovnici:
\( \large \left | {\Large \frac{{7 x}}{{2 x-7}}\large } \right | \lt - 2 \)
\( \large K = \{x \in \mathbb{R} \mid x \neq 0\} \)
\( \large K = \emptyset \)
\( \large K = \{0\} \)
\( \large K = \mathbb{R} \)