Question

ПАМААААГИИИИТИИИИИИИИ

Answer 1

$\frac{5}{7} x - \frac{1}{4} = \frac{5}{16} \div \frac{5}{16} = 1 \\ x = 1 \frac{1}{4} \div \frac{5}{7} = \frac{5}{4} \times \frac{7}{5} = \frac{7}{4} = 1 \frac{3}{4}$
Ответ
$x = 1 \frac{3}{4}$