Question

X - 1/x=15/4,sendo U = R

Answer 1

olá.
$\frac{x - 1}{x} = \frac{15}{4} = \\ \\ 15x = 4x - 4 \\ \\ 15x - 4x = - 4 \\ \\ 11x = - 4 \\ \\ x = - \frac{ 4}{11}$