P.5

동류항이 있는 방정식

2분기 (12~2월)

동류항을 정리한 뒤 방정식 풀기: 2x + 3x − 4 = 21

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Daniel Math Academy · Grade 7 Math

Equations with Like Terms

Skill P.5 · Two-step equations · ★★☆ Medium · Quarter 2

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Score/ 8

Solve for the variable.

Example

, , so

Think: Combine first, then solve the two-step equation.

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Daniel Math Academy · Grade 7 Math

Answer Key

P.5 Equations with Like Terms · ★★☆ Medium

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