x = -9 x = -4.8
Пошаговое объяснение:
- 6 * (x + 9) = 0
-6x - 54 = 0
-6x = 54
x = 54 / (-6)
x = -9
- 4 * (5x+1) = 5 * (4 - 3x)
-20x - 4 = 20 - 15x
-20x + 15x = 20 + 4
-5x = 24
x = 24 / (-5)
x = - 4.8
