а) 2x - 3y - x + 8y = x + 5y
б) 5*(2a + 1) - 3 = 10a + 5 - 3 = 10a + 2
в) 14x - (x - 1) = 14x - x + 1 = 13x + 1(2x + 6) = 2x + 6
Результат: 13x + 1 = 2x + 6
а) 2x - 3y - x + 8y = x + 5y
б) 5*(2a + 1) - 3 = 10a + 5 - 3 = 10a + 2
в) 14x - (x - 1) = 14x - x + 1 = 13x + 1
(2x + 6) = 2x + 6
Результат: 13x + 1 = 2x + 6