방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- x + y = 15, x − y = 1 → x = ____, y = ____
- 2x + 9y = 69, x = 3 → y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- 7x + 8y = 79, x = 1 → y = ____
- x + y = 16, x − y = 0 → x = ____, y = ____
- 1x + 9y = 36, x = 9 → y = ____
- 3x + 7y = 22, x = 5 → y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- 1x + 2y = 11, x = 9 → y = ____
- 6x + 9y = 102, x = 5 → y = ____
- 7x + 3y = 67, x = 7 → y = ____
- 7x + 8y = 47, x = 1 → y = ____
- 6x + 7y = 53, x = 3 → y = ____
- 8x + 4y = 32, x = 1 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- 1x + 6y = 10, x = 4 → y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- 1x + 1y = 9, x = 7 → y = ____