Реши уравнение 4/15-(y+3/25)=1/25
4/15 - (у + 3/25) = 1/25 у + 3/25 = 4/15 - 1/25 = (20-3)/75 = 17/75 у = 17/75 - 3/25 = (17-9)/75 = 8/75