Question

Помогите решить!
3 1/2: (1/6х+5/8) =2 1/3

Answer 1

$frac{7}{2} /( frac{1}{6x} + frac{5}{8} )= frac{7}{3} \ \ frac{1}{6x} + frac{5}{8}= frac{7*3}{2*7} \ \ frac{1}{6x} + frac{5}{8}= frac{3}{2} \ \ frac{1}{6x} = frac{3}{2} - frac{5}{8} \ \ frac{1}{6x} = frac{7}{8} \ \ 42x=8 \ \ x= frac{4}{21}$