Question

Se x/y = 2 , então (x-y)/x é igual a: ?

Answer 1

 Olá Gabriel,
boa noite!

CONDIÇÃO I:

$\frac{x}{y}=2\\\boxed{x=2y}$

CONDIÇÃO II)

$\frac{x-y}{x}=\\\\\frac{2y-y}{2y}=\\\\\frac{y}{2y}=\\\\\boxed{\boxed{\frac{1}{2}}}$

Answer 2

$\frac{x}{y} = 2 \\\\ x = 2 \cdot y \\\\ \boxed{x = 2y} \\\\\\ \Rightarrow \frac{x-y}{x} = \frac{2y-y}{2y} = \frac{y}{2y} = \frac{\not{y}}{2\not{y}} = \boxed{\boxed{\frac{1}{2}} \ ou \ \boxed{0,5}}$