[x/2]+[x/4]+[x/8]+507=x
2x/4 + x/4 + x/8 + 507
3x/4 + x/8 + 507
6x/8 + x/8 + 507 =x
7/8 x + 507 = x
507 = 1/8 x
x = 507 (8) = 4056
it isnt correct, coz "[]" means integer division))
So u did very simple division) I could do same) Help me if u know how to do it with integer division)
see: https://web2.0calc.com/questions/help-me-so-means-integer-division
+36915 
