Explicación paso a paso:
[tex]( \frac{1}{x} - \frac{3}{4} ) = 2 \\ 4 \times \frac{1}{x} - 4 \times \frac{3}{4} = 4 \times 2 \\ \frac{4}{x} - 3 = 8 \\ \frac{4}{x} = 8 + 3 \\ \frac{4}{x} = 11 \\ \frac{4}{11} = x[/tex]
