Question

номер 489 решите уравнения​

Answer 1

$\displaystyle\frac{x}{\frac{1}{3}-\frac{5}{6} } =\frac{8}{9} \\\frac{x}{\frac{2}{6} -\frac{5}{6} } =\frac{8}{9} \\\frac{x}{-\frac{3}{6} }=\frac{8}{9}\\\frac{6x}{-3} =\frac{8}{9} \\6x=\frac{-3\times8}{9} \\6x=-\frac{8}{3} \\x=-\frac{8}{3} \times\frac{1}{6} =-\frac{8}{18}=-\frac{4}{9}$