방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- x + y = 14, x − y = -2 → x = ____, y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- 4x + 3y = 60, x = 9 → y = ____
- 3x + 7y = 16, x = 3 → y = ____
- x + y = 14, x − y = 4 → x = ____, y = ____
- 9x + 8y = 100, x = 4 → y = ____
- 5x + 5y = 40, x = 7 → y = ____
- 9x + 9y = 63, x = 3 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 4x + 1y = 18, x = 3 → y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- 6x + 3y = 21, x = 2 → y = ____
- 7x + 6y = 58, x = 4 → y = ____
- 9x + 8y = 66, x = 2 → y = ____
- 8x + 9y = 126, x = 9 → y = ____
- 4x + 4y = 40, x = 6 → y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- x + y = 7, x − y = -3 → x = ____, y = ____
- 6x + 9y = 84, x = 2 → y = ____