X+x +1/2x + 1/4х +1 = 100 Решите уравнение
Х + х + 1/2 х + 1/4х + 1 = 100 2х + 2/4х + 1/4х = 100 - 1 2 3/4х = 99 х = 99 : 2 3/4 х = 99 : 2,75 х = 3,6