решите уравнение | 3x+1|*|-2.4|=10

Решите задачу:

$|3x+1|\cdot|-2,4|=10, \\ |3x+1|\cdot2,4=10, \\ |3x+1|= \frac{25}{6} , \\ \left [ {{3x+1=- \frac{25}{6},} \atop {3x+1= \frac{25}{6};}} \right. \left [ {{3x=- \frac{31}{6},} \atop {3x= \frac{19}{6};}} \right. \left [ {{x=- \frac{31}{18},} \atop {x= \frac{19}{18};}} \right. \left [ {{x=- 1\frac{13}{18},} \atop {x= 1\frac{1}{18}.}} \right.$