$\text{( $\frac{2}{7}$ - 2 . x ) . $\frac{10}{3}$ = $\frac{22}{3}$ }$
$\text{( $\frac{2}{7}$ - 2 . x ) = $\frac{22}{3}$ ÷ $\frac{10}{3}$ }$
$\text{( $\frac{2}{7}$ - 2 . x ) = $\frac{22}{3}$ . $\frac{3}{10}$ }$
$\text{( $\frac{2}{7}$ - 2 . x ) = $\frac{66}{30}$ = $\frac{11}{5}$ }$
$\text{2 . x = $\frac{2}{7}$ - $\frac{11}{5}$ }$
$\text{2 . x = $\frac{35 - 22}{10}$ }$
$\text{2 . x =$\frac{13}{10}$ }$
$\text{x = $\frac{13}{10}$ ÷ 2 }$
$\text{x = $\frac{13}{10}$ . $\frac{1}{2}$ }$
$\text{x = $\frac{13}{20}$ }$
$\text{Chúc em học tốt ^^ }$
$\text{( Mong Admin đừng Xóa ) }$
