If 4 + 1 = 5 2 + 3 = 15 3 + 4 = 28 2 + 5 = 35 then 6 + 3 = ?

If 2 + 3 = 35 3 + 4 = 47 4 + 1 = 15 2 + 5 = 57 then 6 + 3 =?

If,

5 + 3 – 2 = 48;

4 – 3 + 3 = 28.

Then,

5 + 2 + 3 – 4 + 4 – 3 = ?