Решите уравнение : 3x + 3 = 2/3x + 1
3х - 2/3х = 1-3 1/3х = -2 х = -2/ (1/3) x= 6
3х - 2/3х = 1-3 1/3х = -2 х = -2/ (1/3) x= 6 ответ:6