Řeš v \( \mathbb{R} \) rovnici:\( \frac{7-(-2 x)}{3 x}=8 \)
\( K=\left\{\frac{8}{22}\right\} \)
\( K=\left\{\frac{7}{23}\right\} \)
\( K=\left\{\frac{7}{22}\right\} \)
\( K=\left\{\frac{6}{22}\right\} \)
