방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- x + y = 12, x − y = -4 → x = ____, y = ____
- 8x + 4y = 80, x = 8 → y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- 2x + 5y = 22, x = 6 → y = ____
- 5x + 3y = 42, x = 3 → y = ____
- 1x + 7y = 17, x = 3 → y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- 8x + 8y = 96, x = 4 → y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- 2x + 9y = 50, x = 7 → y = ____
- 4x + 2y = 34, x = 5 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 4x + 3y = 50, x = 8 → y = ____
- 1x + 7y = 21, x = 7 → y = ____
- 2x + 2y = 22, x = 7 → y = ____
- 7x + 5y = 71, x = 8 → y = ____
- 7x + 3y = 73, x = 7 → y = ____