Задание

Решите неравенство: \(\displaystyle 7z-4\ge 12\)

Решите неравенство: \(\displaystyle 5-3u\ge 18\)

\(\displaystyle z\)[?|≤|≥|=|>|<][ ]
\(\displaystyle u\)[?|≤|≥|=|>|<][ ]