Question

x supra y = 1 supra 3 aflați 2y - 4y supra 4x​

Answer 1

$\frac{x}{y} =\frac{1}{3}$ ⇒ $y=3x$

Acum, $\frac{2y-4y}{4x}=\frac{-2y}{4x}=\frac{-2*3x}{4x}=\frac{-6}{4}=-\frac{3}{2}.$