Z.4
한 단계 방정식 (덧셈·뺄셈)
3분기 (2~4월)x + a = b, x − a = b 꼴의 방정식을 역연산으로 풀기
난이도
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문제 수
One-Step Equations: + and −
Skill Z.4 · One-step equations · ★★☆ Medium · Quarter 3
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Score/ 8
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Solve for the variable.
Example
Think: Undo adding 7 by subtracting 7 from both sides. Check: .
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Answer Key
Z.4 One-Step Equations: + and − · ★★☆ Medium
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