Решите уравнение: (2x+20)/24=(x+12)/15.

\[\frac{(2x + 20)}{24} = \frac{x + 12}{15}\]

\[15(2x + 20) = 24(x + 12)\]

\[30x + 300 = 24x + 288\]

\[6x = - 12\]

\[x = - 2.\]