What is 12815 − 7 + 715 + 15 ? Simplify your answer.

Answer 1

To simplify the expression \( 12815 - 7 + 715 + 15 \), follow these steps:

1. Start with the subtraction: \[ 12815 - 7 = 12808 \]

2. Add 715: \[ 12808 + 715 = 13523 \]

3. Finally, add 15: \[ 13523 + 15 = 13538 \]

Thus, the simplified answer is: \[ \boxed{13538} \]