방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- x + y = 11, x − y = 7 → x = ____, y = ____
- 5x + 7y = 81, x = 5 → y = ____
- 9x + 9y = 99, x = 2 → y = ____
- 7x + 5y = 66, x = 3 → y = ____
- 7x + 8y = 43, x = 5 → y = ____
- 9x + 8y = 91, x = 3 → y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- 6x + 5y = 84, x = 9 → y = ____
- x + y = 4, x − y = 0 → x = ____, y = ____
- 6x + 5y = 79, x = 9 → y = ____
- 3x + 9y = 60, x = 5 → y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- 3x + 3y = 27, x = 6 → y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- 4x + 6y = 80, x = 8 → y = ____
- 9x + 9y = 63, x = 1 → y = ____
- 3x + 9y = 93, x = 7 → y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____