Question

2+3=5. 3+7=17. 4+5=19. 5+8=37. 6+7=?? give me answer

Answer 1

I am not sure but I think the ans is 39

Answer 2

2*3=6 and 3-2=1. 6-1=5
3*7=21 and 7-3=4. 21-4=17
5*8=40 and 8-5=3 40-3=37
6*7=42 and 7-6=1. 42-1=41