Jawabanmu

2014-01-15T21:43:45+07:00
X+y = 46 
x-4/y-4 = 3/7 -> 7x - 28= 3y-12

7x+7y = 322
7x-3y =    16
-------------------------
10 y = 306
y= 30,6

x = 15,4

jadi pecahan tersebut = 15,4/30,6  <-- solved gan