\[x - \frac{x - 3}{2} = 4\ \ \ \ \ \ \ | \cdot 2\]
\[2x - (x - 3) = 4 \cdot 2\]
\[2x - x + 3 = 8\]
\[x = 8 - 3\]
\[x = 5.\]
\[Ответ:x = 5.\ \]