xу - 2х + 3у = 62ху - 3х + 5у = 11xy - 2x = 6 - 3yx (y - 2) = 6 - 3yx = (6-3y)/(y-2)2y (6-3y)/(y-2) - 3 (6-3y)/(y-2) + 5y = 11(12y - 6y2) / (y - 2) - ( 18 - 9y )/ (y-2) + 5y = 1112y - 6y2 - 18 + 9y + 5y (y-2) = 11 (y-2)12y - 6y2 - 18 + 9y + 5y2 - 10y = 11y - 2212y + 9y - 10y - 11y - 6y2 + 5y2 - 18 + 22 = 012y + 9y - 10y - 11y - 6y2 + 5y2 - 18 + 22 = 00y - y2 + 4 = 0y2 = 4ищем Х:x = (6-3y)/(y-2)x1 = (6 - 3 * 2) / (2 - 2) - на ноль делить нельзяx2 = (6 - 3 * -2) / (-2 - 2) = 6 +6 / -4 = 12 / -4 = -3ответ только 1:y = -2х = -3