To simplify the expression \( 12815 - 7 + 715 + 15 \), we can follow these steps:
- Start with \( 12815 \).
- Subtract \( 7 \): \[ 12815 - 7 = 12808 \]
- Add \( 715 \): \[ 12808 + 715 = 13523 \]
- Add \( 15 \): \[ 13523 + 15 = 13538 \]
Thus, the simplified answer is:
\[ 13538 \]
Since the provided responses do not include 13538, let's check if there's a simplified interpretation based on fractional responses or if any of the responses matches mathematically.
None of the given options match with a direct calculation. Please check with the options again. If you want to see if 13538 can fit into a response format like "41 Start Fraction 15 over 15 End Fraction", you would need to express 13538 appropriately:
- Fractionally, \( 13538 \) cannot translate into any of those formats.
- Therefore, none of the provided responses accurately represent the sum computed.
The calculation gives 13538. Please provide more context if the options provided might be based on a specific constraint we should consider.