а) 4m + 5m + 8 = 9m + 8
б) 3 * 7x^2 = 21x^2
13y - 7y + 2 = 6y + 2При y = 4.3, получаем: 6 * 4.3 + 2 = 25.8 + 2 = 27.8
6x + 3x = 279x = 27x = 27 / 9x = 3
а) 4m + 5m + 8 = 9m + 8
б) 3 * 7x^2 = 21x^2
13y - 7y + 2 = 6y + 2
При y = 4.3, получаем: 6 * 4.3 + 2 = 25.8 + 2 = 27.8
6x + 3x = 27
9x = 27
x = 27 / 9
x = 3