4x-7(3x-5)≥4-3(4x-7)

Question

4x-7(3x-5)≥4-3(4x-7)

Answer 1

4x-21x+35≥4-12x+21
4x-21x+12x≥4+21-35
-5x≥-10|:(-5)
x≤2

Ответ: (-∞;2]

Answer 2

Упрощение
4х-7(3х-5)4-3(4х-7)=3х-2х-1-3х=х-3х=3х