Question

решите уравнение | 3x+1|*|-2.4|=10

Answer 1

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

Answer 2

Спасибо