Question

4/2x+3=12/x-1 уравнение дам 12 баллов​

Answer 1

Ответ:

$\frac{4}{2x + 3} = \frac{12}{x - 1} \\ 4(x - 1) = 12(2x + 3) \\ 4x - 4 = 24x + 36 \\ 4x - 24x = 36 + 4 \\ - 20x = 40 \\ x = - 2$