P.3

괄호가 있는 방정식

2분기 (12~2월)

3(x − 2) = 12 같은 괄호가 있는 방정식 풀기

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Daniel Math Academy · Grade 7 Math

Two-Step Equations with Parentheses

Skill P.3 · Two-step equations · ★★☆ Medium · Quarter 2

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Score/ 8

Solve for the variable.

Example

, so

Think: Divide both sides by 3 first (or distribute: ), then add 2.

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Daniel Math Academy · Grade 7 Math

Answer Key

P.3 Two-Step Equations with Parentheses · ★★☆ Medium

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