Question

Уравнение пропорция 6 класс математика помогите

Answer 1

$4.6(3x + 5.1) = 8.4(x + 4.4) \\ 13.8x + 23.46 = 8.4x + 36.96 \\ 5.4x = 13.5 \\ x = \frac{135 \times 10}{10 \times 54} = \frac{135}{54} = \frac{5}{2} = \frac{25}{10} = 2.5$