Решите уравнение 5/6a-4/5a+1=1/2a-2/5
5/6a - 4/5a + 1 = 1/2a - 2/5 5/6a - 4/5a - 1/2a = - 1 - 2/5 25/30a - 24/30a - 15/30a = -1 2/5 -14/30a = -1 2/5 a = -1 2/5 : -14/30 a = 3 Ответ: a = 3