Question

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

Answer 1

$\boxed{\begin{array}{l}\sf1+\dfrac{5}{x} =-\dfrac{3}{x}\\\\\sf\dfrac{5}{x}+\dfrac{3}{x}=-1\\\\\sf\dfrac{8}{x}=-1\\\sf -x=8\cdot(-1)\\\sf x=-8\end{array}}$

Answer 2

Olá, bom dia ☺

Resolução:

$1+\dfrac{5}{x} = -\dfrac{3}{x} \\ \\ \dfrac{x+5}{x} = \dfrac{-3}{x} \\ \\ x + 5 = -3 \\ \\ x = -3 - 5 \\ \\ x=-8$

Resposta: Letra C

Bons estudos :)