\[\frac{3x - 7}{x - 1} + \frac{x + 1}{x - 1} = 0\]
\[\frac{3x - 7 + x + 1}{x - 1} = 0;\ \ x \neq 1\]
\[4x - 6 = 0\]
\[4x = 6\]
\[x = 1,5.\]
\[Ответ:x = 1,5.\]