방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 2x + 2y = 28, x = 8 → y = ____
- 5x + 4y = 19, x = 3 → y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- x + y = 7, x − y = -3 → x = ____, y = ____
- 7x + 7y = 42, x = 5 → y = ____
- 1x + 1y = 4, x = 2 → y = ____
- 1x + 9y = 12, x = 3 → y = ____
- 3x + 8y = 58, x = 6 → y = ____
- 6x + 5y = 78, x = 8 → y = ____
- 8x + 8y = 88, x = 8 → y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 9x + 4y = 51, x = 3 → y = ____
- x + y = 3, x − y = -1 → x = ____, y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- 2x + 2y = 14, x = 5 → y = ____
- 8x + 3y = 17, x = 1 → y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____