Question

6x-y supra 3x+2y=3 supra 2 cât este x supra y?​

Answer 1

Răspuns:

$\frac{6x - y}{3x + 2y} = \frac{3}{2} \\ 2(6x - y) = 3(3x + 2y) \\ 12x - 2y = 9x + 6y \\ 3x = 8y \\ x = \frac{8y}{3} \\ \frac{x}{y} = \frac{ \frac{8y}{3} }{y} = \frac{8y}{3y} = \frac{8}{3}$