P.1

이단계 방정식 풀기

2분기 (12~2월)

3x + 5 = 20, x/4 − 3 = 2 같은 방정식을 두 번의 역연산으로 풀기

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Daniel Math Academy · Grade 7 Math

Solve Two-Step Equations

Skill P.1 · Two-step equations · ★★☆ Medium · Quarter 2

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Score/ 8

Solve for the variable.

Example

, so

Think: Undo the addition first (subtract 5 from both sides), then undo the multiplication (divide by 3).

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Daniel Math Academy · Grade 7 Math

Answer Key

P.1 Solve Two-Step Equations · ★★☆ Medium

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