Answer:
=2
Step-by-step explanation:
6+2=8+5=13 3+8=11 11-13=2
21
6 + 2(5) - 3 + 8
Expand the bracket
6 + 2 x 5 - 3 + 8
6 + 10 - 3 + 8
Add
16 + 5
