Answer :
For example, exc. 5;
6/(2x -5) = 4/2 => 6/(2x - 5) = 2/1 => 4x - 10 = 6 => 4x = 16 => x = 4.
6/(2x -5) = 4/2 => 6/(2x - 5) = 2/1 => 4x - 10 = 6 => 4x = 16 => x = 4.