Question

One by x minus one by x minus two is equal to three

Answer 1

$\frac{1}{x} - \frac{2}{x} = 3 \\ - \frac{1}{ {x}^{2} } = 3 \\ - 1 = 3 {x}^{2} \\ {x}^{2} = - \frac{1}{3} \\ x = - \sqrt{ \frac{1}{3} }$