Question

|3х-1|=2 решите уравнение ​

Answer 1

$|3 x - 1 | = 2 \\ \\ \\ 3x - 1 = 2 \\ 3x - 1 = - 2 \\ \\ \\ 3x = 3 \\ 3x = - 1 \\ \\ \\ x_{1} = 1. \\ x_{2}= - \frac{1}{3} .$