-5
Объяснение:
lg (3 – 4x) – lg (- 5x – 2) = 0
одз: 3 – 4x>0, –5x– 2>0
lg (3 – 4x) = lg (- 5x – 2)
3 – 4x = -5x – 2
X=-5
-5
Объяснение:
lg (3 – 4x) – lg (- 5x – 2) = 0
одз: 3 – 4x>0, –5x– 2>0
lg (3 – 4x) = lg (- 5x – 2)
3 – 4x = -5x – 2
X=-5