Решите уравнение: 5x+(3x-7)=9.

\[5x + (3x - 7) = 9\]

\[5x + 3x - 7 = 9\]

\[8x = 9 + 7\]

\[8x = 16\]

\[x = \frac{16}{8}\]

\[x = 2.\]