Решите уравнение: -10(3-4x)+51=7(5x+3).

Ответ:

\[- 10 \cdot (3 - 4x) + 51 = 7 \cdot (5x + 3)\]

\[- 30 + 40x + 51 = 35x + 21\]

\[40x - 35x = 21 - 21\]

\[5x = 0\]

\[x = 0.\]