Rieš v \( \mathbb{R} \) rovnici:
\( \frac{7-(-2 x)}{3 x}=8 \)
\( K=\left\{\frac{8}{22}\right\} \)
\( K=\left\{\frac{7}{22}\right\} \)
\( K=\left\{\frac{7}{20}\right\} \)
\( K=\left\{\frac{7}{24}\right\} \)
