\(\left| {2x - 7} \right| - \left| { - \dfrac{3}{2}} \right| = 7\)  \(\dfrac{3}{4} + \dfrac{1}{4}:x =  - 3\)
A.\(x \in \left\{ {\dfrac{3}{4};\,\,\dfrac{{31}}{3}} \right\}\)
B.\(x \in \left\{ { - \dfrac{3}{4};\,\, - \dfrac{{31}}{3}} \right\}\)
C.\(x \in \left\{ { - \dfrac{3}{4};\,\,\dfrac{{31}}{3}} \right\}\)
D.\(x \in \left\{ {\dfrac{3}{4};\,\, - \dfrac{{31}}{3}} \right\}\)

Các câu hỏi liên quan