방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- x + y = 11, x − y = -5 → x = ____, y = ____
- 8x + 5y = 84, x = 8 → y = ____
- 4x + 9y = 88, x = 4 → y = ____
- 8x + 9y = 71, x = 1 → y = ____
- x + y = 7, x − y = -5 → x = ____, y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- 7x + 1y = 45, x = 6 → y = ____
- 2x + 2y = 24, x = 3 → y = ____
- 8x + 8y = 88, x = 6 → y = ____
- 7x + 5y = 12, x = 1 → y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____
- 4x + 9y = 49, x = 1 → y = ____
- 9x + 9y = 90, x = 2 → y = ____
- 9x + 8y = 92, x = 4 → y = ____
- 7x + 1y = 70, x = 9 → y = ____
- 3x + 5y = 29, x = 8 → y = ____
- x + y = 11, x − y = 3 → x = ____, y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- 5x + 7y = 24, x = 2 → y = ____