решите уравнение 17/20 - х = 14/20 - 3/20; 8/15 - 7/15 + у = 14/15

1) 17/20-x=14/20-3/20 (*20)17 - 20x = 14-3-20x = 11-17-20x = -6x = 6/20x = 0.32) 8/15 - 7/15 + y = 14/15 (*15)8-7+ 15y = 1415y = 14-115y = 13y = 13/15