1/9x+7/18x-11/27x=5/2
Прошу,решите побыстрее

можно было домножить на 2

1/9х + 7/18х - 11/27х = 5/26/54х + 21/54х - 22/54х = 5/25/54х = 5/2х = 5/2 : 5/54х = 5/2 * 54/5 = 54/2х = 27Пояснения: 1/9 = (1*6)/(9*6) = 6/54 - доп.множ.67/18 = (7*3)/(18*3) = 21/54 - доп.множ.311/27 = (11*2)/(27*2) = 22/54 - доп.множ.2