Question

Реши уравнение: х-7 3/20=8 дам 30 балов​

Answer 1

$x-7\frac{3}{20}=8\frac{4}{5}\\\\ x-\frac{143}{20}=\frac{44}{5}\\\\ x=\frac{44}{5}+\frac{143}{20}\\\\ x=\frac{319}{20}=15\frac{19}{20}$