Решите уравнение 30 баллов!!! 3 1/3 - (4 1/5х + х) : 5 4/7 = 8/15
(4 1/5x+x):5=4/7=3 1/3 - 8/15= 3 5/15- 8/15=2 20/15 - 8/15 = 2 12/15 = 2 4/15 4 1/5x+x=2 4/5*5 4/7=14/5*39/7=78/5 5 1/5x=78/5 x=78/5:26/5=78/5*5/26=3 x=3