Đáp án:
-13 - |3 - x| = -19
|3 - x| = -13 - (-19)
|3 - x| = -13 + 19
|3 - x| = 6
=> \(\left[ \begin{array}{l}3-x=6\\3-x=-6\end{array} \right.\)
=> \(\left[ \begin{array}{l}x=∅\\x=3-(-6)\end{array} \right.\)
=> \(\left[ \begin{array}{l}x=∅\\x=9\end{array} \right.\)
Vậy x = 9.
Chúc học tốt!!!
