2x = 6
2x – 3 = 6 + x
2·(2x – 3) = 6 + x
\[\frac{x-1}{6}-\frac{x-3}{2}=-1\]
\[\frac{x-1}{4}-\frac{x-5}{6}=\frac{x+4}{9}\]
\[\frac{9-3x}{x-3}=x\]
