Question

Решить уравнение
X+1/6x+0,2x=1

Answer 1

Ответ:

$x + \frac{1}{6} x + 0.2x =1 \\ x + \frac{1}{6} x + \frac{2}{10} x = 1 \\ x + \frac{1}{6} x + \frac{1}{5} x = 1 \: | \times 30 \\ 30x + 5x + 6x = 30 \\ 41x = 30 \\ x = \frac{30}{41}$