The two 3s have different place values. The 3 on the left is in thousands place while the 3 on the right is in the ones place. we can also look at this vc by separating each digit ( 3000 + 400 + 50 + 3) 
while the digits are the same, their place determines the value
        
                    
             
        
        
        
That's very interesting.  I had never thought about it before.
Let's look through all of the ten possible digits in that place, 
and see what we can tell:
-- 0: 
   A number greater than 10 with a 0 in the units place is a multiple of 
   either 5 or 10, so it's not a prime number.
-- 1: 
    A number greater than 10 with a 1 in the units place could be 
    a prime (11, 31 etc.) but it doesn't have to be (21, 51).
-- 2: 
   A number greater than 10 with a 2 in the units place has 2 as a factor 
   (it's an even number), so it's not a prime number.
-- 3: 
   A number greater than 10 with a 3 in the units place could be 
   a prime (13, 23 etc.) but it doesn't have to be (33, 63) .
-- 4:  
   A number greater than 10 with a 4 in the units place is an even 
   number, and has 2 as a factor, so it's not a prime number.
-- 5: 
   A number greater than 10 with a 5 in the units place is a multiple 
   of either 5 or 10, so it's not a prime number.
-- 6: 
   A number greater than 10 with a 6 in the units place is an even 
   number, and has 2 as a factor, so it's not a prime number.
-- 7: 
   A number greater than 10 with a 7 in the units place could be 
   a prime (17, 37 etc.) but it doesn't have to be (27, 57) .
-- 8: 
   A number greater than 10 with a 8 in the units place is an even 
   number, and has 2 as a factor, so it's not a prime number.
-- 9: 
   A number greater than 10 with a 9 in the units place could be 
   a prime (19, 29 etc.) but it doesn't have to be (39, 69) .
So a number greater than 10 that IS a prime number COULD have
any of the digits  1,  3,  7,  or  9  in its units place.
It CAN't have a  0,  2,  4,  5,  6,  or  8 . 
The only choice that includes all of the possibilities is  'A' .
        
             
        
        
        
Answer:
A) 1/3
ghrefybwye- i had to have "20 characters"
 
        
                    
             
        
        
        
-2y-4=4y-4
2) cancel 4 out on both sides
-2y=4y
3) divide both sides by -2
y=-2y
4) subtract both sides by -2y
y+2y=0
5)3y=0
6) divide by 3
Y=0