Question

решите пож уровнен е срочно

Answer 1

$(x - 8) \times \frac{2}{5} = 2 \\ x - 8 = 2 \div \frac{2}{5} \\ x - 8 = 2 \times \frac{5}{2} \\ x - 8 = 5 \\ x = 5 + 8 \\ x=13$