Tìm x -2/3:x+5/8=-7/12

* Hướng dẫn giải

$-\frac{2}{3}:x+\frac{5}{8}=-\frac{7}{12}$

$\begin{array}{l}\frac{-2}{3}:x=-\frac{7}{12}-\frac{5}{8}\\ \frac{-2}{3}:x=-\frac{29}{24}\\ x=\frac{16}{29}\end{array}$