Question

помогите пожайлуста.... даю 30 баллов

Answer 1

$3 \frac{3}{5} x - \frac{11}{30} x = \frac{2}{3} \\ \frac{18}{5} x - \frac{11}{30} x = \frac{2}{3} \\ \frac{108}{30} x - \frac{11}{30} x = \frac{2}{3} \\ \\ \frac{97}{30} x = \frac{2}{3} \\ x = \frac{2}{3} \div \frac{97}{30} \\ x = \frac{2}{3} \times \frac{30}{97} = \frac{20}{97}$