\[5x - 4 > 3(x + 7) + 2x\]
\[5x - 4 > 3x + 21 + 2x\]
\[5x - 4 > 5x + 21\]
\[0x > 25\]
\[нет\ решений.\]
\[Ответ:x = \{\varnothing\}.\]