Question

1) 16-5x>=3x
2) x^2-x-6<=0

Answer 1

16 – 5х ≥ 3х
– 5х – 3х ≥ – 16
– 8х ≥ – 16
х ≤ 16 : 8
х ≤ 2

Ответ: х ∈ (– ∞; 2]