Tìm x biết rằng ​\(x - \dfrac{1}{3} = 1 + \dfrac{1}{{ - 12}}\)

* Hướng dẫn giải

Ta có:

\(x - \dfrac{1}{3} = 1 + \dfrac{1}{{ - 12}}\)​

\(\begin{array}{l}x - \dfrac{1}{3} = \dfrac{{11}}{{12}}\\x = \dfrac{{11}}{{12}} + \dfrac{1}{3}\\x = \dfrac{5}{4}\end{array}\)