Решите уравнениеa) ( x - 3/8 ) * 8/35 + 2 2/7 = 2 2/5б) 5 5/7 + ( x - 2 3/7 ) = 8 2/7в) 6 1/5 - ( 2 3/5 + x ) = 3 2/5

a) ( x - 3/8 ) * 8/35 + 2 2/7 = 2 2/5 ( x - 3/8 ) * 8/35 + 16/7 =12/5  умножим на 35 ( x - 3/8 ) * 8 + 16*5 =12*7 8х-3+80=84 8х=84-80+1 8х=5 х=5/8=0,625 б) 5 5/7 + ( x - 2 3/7 ) = 8 2/7 5 5/7 + x - 2 3/7 = 8 2/7 х+3  2/7=8 2/7 х=8 2/7-3 2/7=6 в) 6 1/5 - ( 2 3/5 + x ) = 3 2/5 6 1/5 - 2 3/5 - x  = 3 2/5 6 1/5 - 2 3/5 - x  = 3 2/5 4 1/5- 3/5-х= 3 2/5 4 - 2/5-х= 3 2/5 3 3/5-х= 3 2/5 х=3 3/5- 3 2/5=1/5=0,2