Question

1 целая 3/7x+7/8=1 целая 3/8

Answer 1

$1 \frac{3}{7} x+ \frac{7}{8} =1 \frac{3}{8} \\ 1 \frac{3}{7}x=1 \frac{3}{8} - \frac{7}{8} \\ \frac{10}{7} x= \frac{11}{8} - \frac{7}{8} \\ \frac{10}{7}x= \frac{4}{8} \\ x= \frac{4}{8} * \frac{7}{10} \\ x= \frac{14}{40} \\ x= \frac{7}{20}$