Question

Resolva essa conta passo a passo 5/2x – 8 = 7/x. desde ja obrigado

Answer 1

$\frac{5}{2x} -8 - \frac{7}{x} = 0$
$\frac{5}{2x} - \frac{7}{x} = 8$

$\frac{5 - 2*7}{2x} = 8$
$\frac{5-14}{2x} = 8$
$- \frac{9}{2x} = 8$
$-9 = 8 * 2x$
$-9 = 16x$
$x = - \frac{9}{16}$