2.7 module 2 post-test

solve for x: $2x + 7 = 29$

Question

2.7 module 2 post-test

solve for x: $2x + 7 = 29$

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Solving Multi-Step Equations" ], "new_concepts": [], "current_concepts": [ "Solving Multi-Step Equations", "Linear Equations" ] } ## Isolate the variable term Using the *Solving Multi-Step Equations* knowledge point $$ \begin{aligned} 2x + 7 &= 29 \ 2x &= 29 - 7 \ 2x &= 22 \end{aligned} $$ ## Solve for x Using the *Solving Multi-Step Equations* knowledge point $$ \begin{aligned} x &= \frac{22}{2} \ x &= 11 \end{aligned} $$ $x = 11$ { "subject": "Mathematics", "question_type": "Free Response", "knowledge_point": [ "Mathematics", "Algebra", "Solving Multi-Step Equations" ] }

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Question

Explanation:

Isolate the variable term

Solve for x

Answer: