Question

Решите неравенство:
а+2<5(2а+8)+13(4-а)

6y-(y+8)-3(2-y)≤2

Answer 1

$a + 2 -10a + 40 - 52 + 13a < 0 \\ 4a + 10 < 0 \\ 4a < - 10 \\ a < \frac{ - 10}{4} < \\ \frac{ - 5}{2} < 0 \\ - 2.5$