Pre-Algebra Quiz
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EXPRESSIONS, EQUATIONS & INEQUALITIES
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The inequality 3−2x≥x+123 - 2x \geq x + 12 has solution x≤−3x \leq -3. When checking whether x=−3x = -3 belongs in the solution set, a student makes an error and concludes it should be excluded. Which of the following represents the most likely error in the student's verification?
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