3. Решите систему неравенств {2(x – 8) ≤ –3x + 7, {5x – 8 > 8(x – 2).
{2x–16 ≤ –3x+7 {5x–8 > 8x–16 {2x+3x ≤ 7+16 {5x–8x > –16+8 {5 ≤ 23 {–3x> –8 {x ≤ 4,6 {x<8/3 О т в е т. {– ∞ ;8/3)