P.5
동류항이 있는 방정식
2분기 (12~2월)동류항을 정리한 뒤 방정식 풀기: 2x + 3x − 4 = 21
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Equations with Like Terms
Skill P.5 · Two-step equations · ★★☆ Medium · Quarter 2
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Score/ 8
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Solve for the variable.
Example
, , so
Think: Combine first, then solve the two-step equation.
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Answer Key
P.5 Equations with Like Terms · ★★☆ Medium
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