1)
4" alt="x + 3 < 3x - 5 \\ x - 3x < - 5 - 3 \\ - 2x < - 8 \\ x > 4" align="absmiddle" class="latex-formula">
2)
3)
1 \\ x > 3" alt=" \frac{x}{3} > 1 \\ x > 3" align="absmiddle" class="latex-formula">
- 16x \\ - 8x + 16x > 0 \\ 8x > 0 \\ x > 0" alt=" - 8x > - 16x \\ - 8x + 16x > 0 \\ 8x > 0 \\ x > 0" align="absmiddle" class="latex-formula">
4)
Задание на картинке :
-2 < 5х+3 < 13 | -3
-5 < 5х < 10 | : 5
-1 < х < 2
Ответ: г).