Rieš v \( \R \) rovnicu:
\( \normalsize\sqrt{2x+7}+\sqrt{x-5}=\sqrt{3x+2} \)
\( \normalsize K=\left\{5\right\} \)
\( \normalsize K=\left\{7\right\} \)
\( \normalsize K=\left\{9\right\} \)
\( \normalsize K=\left\{3\right\} \)