solve each equation.
1. $3x + 4 = 19$

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Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Linear Equations", "Solving Multi-Step Equations" ], "new_concepts": [], "current_concepts": [ "Linear Equations", "Solving Multi-Step Equations" ] } ## Isolate the variable term $$ \begin{aligned} 3x + 4 &= 19 \ 3x &= 19 - 4 \ 3x &= 15 \end{aligned} $$ ## Solve for x $$ \begin{aligned} x &= \frac{15}{3} \ x &= 5 \end{aligned} $$ $x = 5$ { "subject": "Mathematics", "question_type": "Free Response", "knowledge_point": [ "Mathematics", "Algebra", "Linear Equations" ] }

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Explanation:

Isolate the variable term

Solve for x

Answer: