Tính d) ( − 11/12 ) : 2 x = 5/2 + 1/4

d) $(-\frac{11}{12}):2x=\frac{5}{2}+\frac{1}{4}$

$(-\frac{11}{12}):2x=\frac{11}{4}$

$2x=\left(\frac{-11}{12}\right):\frac{11}{4}$

$2x=\left(\frac{-11}{12}\right).\frac{4}{11}$

$2x=\frac{-1}{3}$

$x=\frac{-1}{3}:2$

$x=\frac{-1}{6}$