Question

Решить уравнение : 2 1/3 * (2x-3 3/14) = 2/3

Answer 1

$2x - 3 \frac{3}{14} = \frac{2}{3} \div 2 \frac{1}{3} = \frac{2}{3} \times \frac{3}{7} = \\ \frac{2}{7}$
$2x = \frac{2}{7} + 3 \frac{3}{14} = \frac{4}{14} + 3 \frac{3}{14} \\ = 3 \frac{7}{14} = 3 \frac{1}{2} = 3.5$
$x = 3.5 \div 2 = 1.75$
Проверка на фото