Mathematics · Pedagogy of Mathematics
A student has simplified the algebraic expression (3x + 2x + 5 + 6) as 16x. Which of the following is the MOST appropriate next step for the teacher to remediate this misconception?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Instruct the student to copy the correct solution from the textbook multiple times.
- 2Substitute different values for x in both expressions to show they are not equal.✓
- 3Revise the rule that only 'like terms' can be added.
- 4Explain the meaning of a variable and how it differs from a constant.
Correct answer
Substitute different values for x in both expressions to show they are not equal.
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