Question

Помогите решить пример

Answer 1

Ответ:

$\frac{9x - 6}{10} - \frac{2x + 5}{ 3} = 1 \\ \frac{3(9x - 6) + 10(2x + 5)}{30} = 1 \\ \frac{27x - 18 + 20x + 5 0 }{30} = 1 \\ \frac{47x + 32}{30} = 1 \\ 47x + 32 = 30 \\ 47x = 30 - 32 \\ 47x = - 2 \\ x = - 2 \div 47 \\ x = - \frac{2}{47}$