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Řešení nerovnic v reálných číslech
Řeš v ℝ soustavy nerovnic:
\frac{u}{7} + \frac{{3 u\ –\ 5}}{2} \le \frac{{5\ –\ 2 u}}{2}
\large \Large \frac{1}{4}\large \left( {3-2 u} \right) \ge 1,5- \Large \frac{u}{6}\large
\large K = \left( - \infty ;- \Large \frac{7}{4}\large \right \rangle
\large K = \left( - \infty ;- \Large \frac{11}{4}\large \right \rangle
\large K = \left( - \infty ;- \Large \frac{5}{4}\large \right \rangle
\large K = \left( - \infty ;- \Large \frac{9}{4}\large \right \rangle