5 3/5 / 3 1/2=5 1/4x;
28/5 : 7/2 = 21/4x
28/5 * 2/7 = 21/4x
8/5 = 21/4x
x = 8/5 * 4/21
x = 32/105
2 2/3 / 0,24=1 7/9 / (x+0,06)
2 2/3 *(x + 0,06) =1 7/9 * 0,24
8/3 * (x + 3/50) = 16/9 * 6/25
8/3x + 4/25 = 32/75
8/3x = 32/75 - 4/25
8/3x = 32/75 - 12/75
8/3x = 4/15
x = 4/15 * 3/8
x = 1/10 = 0,1