Question

2. Решите неравенство 9(х – 2) – 3(2x + 1) > 5х.
3. Решите систему неравенств:
15 – х< 14,
4 – 2x < 5.​

Answer 1

1)

$9(x-2)-3(2x+1)>5x\\9x-18-6x-3>5x\\-2x>21\\x<10.5$

x∈(10.5; +∞)

2)

$\left \{ {{15-x<14} \atop {4-2x<5}} \right. \\\left \{ {{x>1} \atop {x>-0.5}} \right.$

x∈(1; +∞)