{х>3 4-х<о<br> система неравенств,будь добры
{x>3 {4-x<0<br> 4-x<0<br>-x< -4 x>4 {x>3 {x>4 \\\\\\\\\\\\\\\\\\\\\\\\\\\\ ----------3 -------- 4 ---------------- \\\\\\\\\\\\\\\\\\\\\\\\\\ x>4