Question

1) х+5/7=(-3/8)•1целое 1/3

Answer 1

$x+ frac{5}{7} =- frac{3}{8} *1 frac{1}{3} \\ x=- frac{3}{8} * frac{4}{3} - frac{5}{7} \\ x=- frac{1}{2} - frac{5}{7} \\ x=- frac{7}{14} - frac{10}{14} \\ x=- frac{17}{14} =-1 frac{3}{14}$