방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 4x + 9y = 71, x = 2 → y = ____
- 8x + 5y = 52, x = 4 → y = ____
- 2x + 2y = 16, x = 6 → y = ____
- x + y = 13, x − y = -3 → x = ____, y = ____
- 4x + 6y = 80, x = 8 → y = ____
- 2x + 8y = 74, x = 1 → y = ____
- 9x + 8y = 61, x = 5 → y = ____
- 4x + 9y = 76, x = 1 → y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- x + y = 13, x − y = 5 → x = ____, y = ____
- 1x + 8y = 65, x = 1 → y = ____
- 6x + 9y = 15, x = 1 → y = ____
- 5x + 2y = 22, x = 4 → y = ____
- 6x + 7y = 75, x = 9 → y = ____
- 4x + 6y = 50, x = 8 → y = ____
- 9x + 8y = 81, x = 1 → y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- 8x + 7y = 85, x = 8 → y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____