To write a helpful teacher's comment, I need a few key details first:

1. The original problem (e.g., an equation, word problem, or calculation).
2. The student's solution (including the error they made).
3. The correct answer to the problem.
4. The reason behind the student's error (e.g., miscalculating, misapplying a formula, or misunderstanding a concept).

Could you please share these details? Once you do, I’ll craft a constructive, encouraging comment that points out the error clearly, explains the correct approach, and motivates the student to improve.

For example, if the problem was solving (2x + 5 = 15), the student’s error was adding 5 instead of subtracting it, and the correct answer is (x=5), the comment would look like:
"Great effort on solving the equation! You remembered to late the term with (x), which is a solid start. However, when moving (+5) to the other side, we need to use the inverse operation (subtract 5, not add) to keep the equation balanced. Let’s fix that step: (2x =15-5=10), so (x=5). Keep practicing inverse operations—you’re almost there!

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