2 + 5 - 3 = 4
53
3x+24+2 = 53 3x = 53 -26 3x = 27 x = 9
I think you just answered your own question. 55 = 2 + 53 53 + 2 = 55 See?
495
53
12 + 32 + 53 = 97
-53
347 + 1583 + 53 = 1983
1/14 + 2/35 + 3/12 = 53/140
53 + 89 = 142
53 + 44 = 97
53 + 3333 = 3386