Child Development and Pedagogy · Social Science Pedagogy
When asked to simplify the algebraic expression 3x + 4x + 7y, a student solves it in the following step-by-step manner: 3x + 4x + 7y = 7x2 + 7y = 14x2y This type of mistake is classified as a:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Error due to carelessness
- 2Conceptual error✓
- 3Procedural error
- 4Individual error
Correct answer
Conceptual error
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