방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- x + y = 9, x − y = -7 → x = ____, y = ____
- 8x + 1y = 80, x = 9 → y = ____
- 5x + 5y = 20, x = 1 → y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- 6x + 1y = 30, x = 4 → y = ____
- 1x + 7y = 28, x = 7 → y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- 4x + 2y = 22, x = 4 → y = ____
- x + y = 13, x − y = 5 → x = ____, y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- x + y = 11, x − y = -3 → x = ____, y = ____
- 8x + 1y = 64, x = 7 → y = ____
- 5x + 6y = 23, x = 1 → y = ____
- 4x + 8y = 68, x = 9 → y = ____
- 5x + 9y = 65, x = 4 → y = ____
- 8x + 2y = 20, x = 2 → y = ____
- 5x + 5y = 50, x = 1 → y = ____
- 1x + 2y = 17, x = 7 → y = ____
- x + y = 12, x − y = -6 → x = ____, y = ____