Va rog urgent. dau coroana!!

x/y = 0,(4) <=> x/y = 4/9 => y = 9x/4
(3x+2y)/(3x-2y) = [3x+ 2*(9x/4)] / [3x- 2*(9x/4)] =
(²⁾3x+ 9x/2) / (²⁾3x- 9x/2) = (6x +9x) / (6x-9x) = 15x/(-3x) = -5