Question

(1040:8+10870):11+2000-b=465

Answer 1

11.000 : 11 +2000-b=465
3000-b=465
b=2535

Answer 2

(1040/8+10870)/11+2000-b=465
(130+10870)/11+2000-b=465
11000/11+2000-b=465
1000+2000-b=465
3000-b=465
b=3000-465
b=2535;