방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 4x + 9y = 55, x = 7 → y = ____
- 8x + 6y = 46, x = 5 → y = ____
- 5x + 1y = 48, x = 8 → y = ____
- 1x + 2y = 21, x = 7 → y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- 5x + 6y = 37, x = 5 → y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- 7x + 9y = 126, x = 9 → y = ____
- 2x + 7y = 29, x = 4 → y = ____
- 4x + 8y = 52, x = 7 → y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- x + y = 7, x − y = -5 → x = ____, y = ____
- 6x + 4y = 72, x = 6 → y = ____
- 1x + 2y = 9, x = 7 → y = ____
- 6x + 6y = 54, x = 2 → y = ____
- x + y = 7, x − y = 1 → x = ____, y = ____
- 5x + 1y = 11, x = 2 → y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____
- x + y = 2, x − y = 0 → x = ____, y = ____