Answer:
13
Explanation:
Simplify the following: 
2 (30 - (28 - 2)) + 5 
 
Hint: | Subtract 2 from 28. 
 | 2 | 8 
- | | 2 
 | 2 | 6: 
2 (30 - 26) + 5 
 
Hint: | Subtract 26 from 30. 
 | 2 | 10 
 | 3 | 0 
- | 2 | 6 
 | 0 | 4: 
2×4 + 5 
 
Hint: | Multiply 2 and 4 together. 
2×4 = 8: 
8 + 5 
 
Hint: | Evaluate 8 + 5. 
8 + 5 = 13: 
Answer: 13