1|3x-1|=5
⇔\(\left[ \begin{array}{l}3x-1=5\\3x-1=-5\end{array} \right.\)
⇔\(\left[ \begin{array}{l}3x=6\\3x=-4\end{array} \right.\)
⇔\(\left[ \begin{array}{l}x=2\\x=-4/3\end{array} \right.\)
2.|X-1/3|-9,5=|0,5|
⇔|X-1/3|-9,5=0,5
⇔|X-1/3|=10
⇔\(\left[ \begin{array}{l}x-1/3=10\\x-1/3=-10\end{array} \right.\)
⇔\(\left[ \begin{array}{l}x=31/3\\x=-29/3\end{array} \right.\)
