Question

Simplify using order of operations 15-(12-2.5)+9

Answer 1

564

Explanation:

multiply then change sign then add all

Answer 2

14.5

Explanation:

15 - (12 -2.5) + 9

1. Solve the Parenthesis first

12 - 2.5 = 9.5

So now we get 15 - 9.5 + 9

2. Solve the minus first

15 - 9.5 = 5.5

So now we get 5.5 + 9

3. Add

5.5 + 9 = 14.5