Question

решите уравнение1 1/5x - 5/9 = 2 4/9​

Answer 1

Ответ:

$1 \frac{1}{5}x - \frac{5}{9} = 2 \frac{4}{9} \\ \frac{6}{5} x - \frac{5}{9} = \frac{22}{9} \\ 54x - 25 = 110 \\ 54x = 110 + 25 \\ 54x = 135 \\ x = \frac{5}{2}$