The function y = (1-3m) x + (2m-1) calculates the value or range of m according to the following conditions 1. Y decreases with the increase of X 2. This line is parallel to the known line y = - 2x + 3 3. This line goes through the second, third and fourth quadrants

The function y = (1-3m) x + (2m-1) calculates the value or range of m according to the following conditions 1. Y decreases with the increase of X 2. This line is parallel to the known line y = - 2x + 3 3. This line goes through the second, third and fourth quadrants

1、1-3m>0 m