Zadanie w załączniku odpowiedz do zadania to : x = -3 i y = 9 Prosze o rozwiązanie i zrobienie . Dam najlepszą . :)

x +y /2 - x/3 = 4 /*12 x - y /2 +y/3 = -3 / * 6 6 * (x + y) - 4x = 48 3 * (x - y) + 2y = -18 6x + 6y - 4x = 48 3x - 3y + 2y = -18 2x = 48 - 6y /:2 3x - y = -18 x = 24 - 3y 3 * (24 - 3y) - y = -18 x = 24 - 3y 72 - 9y - y = -18 x = 24 - 3y - 10y = - 90 / : (-10) x = 24 - 3y y = 9 x = 24 - 3 * 9 y = 9 x = 24 - 27 y = 9 x = -3 y = 9

(x+y)/2 - x/3 = 4 //*6 (x-y)/2+y/3=-3 //*6 3(x+y) -2x=24 3(x-y) +2y = -18 3x+3y-2x=24 3x-3y+2y=-18 x+3y=24 3x-y=-18 x=24-3y 3(24-3y)-y=-18 72-10y=-18 -10y=-18-72 -10y=-90 /:-10 y=9 x=24-3*9=24-27=-3