Решите уравнение: 2x/5=(x-3)/2.

\[\frac{2x}{5} = \frac{x - 3}{2}\ \ \ \ \ \ \ \ | \cdot 10\]

\[2 \cdot 2x = 5 \cdot (x - 3)\]

\[4x = 5x - 15\]

\[5x - 4x = 15\]

\[x = 15.\]

\[Ответ:x = 15.\]