방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- x + y = 9, x − y = -5 → x = ____, y = ____
- x + y = 7, x − y = 3 → x = ____, y = ____
- 7x + 7y = 42, x = 2 → y = ____
- 4x + 3y = 31, x = 4 → y = ____
- 7x + 1y = 19, x = 2 → y = ____
- 2x + 3y = 17, x = 4 → y = ____
- x + y = 12, x − y = 2 → x = ____, y = ____
- 7x + 5y = 60, x = 5 → y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- 4x + 7y = 57, x = 9 → y = ____
- 8x + 4y = 60, x = 6 → y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- 8x + 6y = 50, x = 4 → y = ____
- 2x + 3y = 20, x = 4 → y = ____
- 9x + 3y = 78, x = 7 → y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- 5x + 8y = 65, x = 5 → y = ____
- 7x + 4y = 59, x = 5 → y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____