방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 7x + 2y = 65, x = 9 → y = ____
- 9x + 3y = 60, x = 5 → y = ____
- 4x + 9y = 77, x = 8 → y = ____
- x + y = 6, x − y = 0 → x = ____, y = ____
- 9x + 8y = 113, x = 9 → y = ____
- 8x + 7y = 119, x = 7 → y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- 5x + 2y = 7, x = 1 → y = ____
- 7x + 8y = 67, x = 5 → y = ____
- x + y = 13, x − y = 5 → x = ____, y = ____
- x + y = 7, x − y = 1 → x = ____, y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- x + y = 5, x − y = 3 → x = ____, y = ____
- x + y = 8, x − y = 0 → x = ____, y = ____
- 7x + 4y = 59, x = 5 → y = ____
- 9x + 9y = 117, x = 7 → y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 7x + 2y = 21, x = 1 → y = ____