Question

A raiz da equação 1+5/x=-3/(x ) , com x ≠ 0, é: *
2 pontos
(A) -2
(B) +2
(C) -8
(D) +8​

Answer 1

$1 + \frac{5}{x} = \frac{ - 3}{x} \: x≠0$

$- 1 = \frac{5}{x} + \frac{3}{x}$

$- 1 = \frac{8}{x}$

$- x = 8$

$x = - 8$