Question

-4/ x=x-4 допоможіть даю 20 балів​

Answer 1

Ответ:

$\frac{ - 4}{x} = x - 4 \\ - 4 = (x - 4)x \\ (x - 4)x + 4 = 0 \\ x {}^{2} - 4x + 4 = 0 \\ (2 - x ) {}^{2} = 0 \\ 2 - x = 0 \\ - x = - 2 \\ x = 2$