방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- x + y = 14, x − y = -4 → x = ____, y = ____
- 7x + 6y = 80, x = 8 → y = ____
- 2x + 5y = 7, x = 1 → y = ____
- 7x + 8y = 78, x = 2 → y = ____
- x + y = 14, x − y = 0 → x = ____, y = ____
- 9x + 7y = 126, x = 7 → y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- 1x + 8y = 40, x = 8 → y = ____
- 4x + 6y = 64, x = 4 → y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- x + y = 7, x − y = 1 → x = ____, y = ____
- 8x + 7y = 121, x = 9 → y = ____
- 2x + 3y = 31, x = 5 → y = ____
- 9x + 1y = 19, x = 2 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- x + y = 11, x − y = 3 → x = ____, y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- 1x + 9y = 60, x = 6 → y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____