방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 5x + 2y = 56, x = 8 → y = ____
- 7x + 7y = 91, x = 9 → y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- 3x + 8y = 17, x = 3 → y = ____
- 7x + 3y = 52, x = 4 → y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- 1x + 9y = 31, x = 4 → y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____
- 2x + 8y = 30, x = 7 → y = ____
- 2x + 7y = 51, x = 8 → y = ____
- 3x + 2y = 23, x = 3 → y = ____
- 4x + 7y = 46, x = 1 → y = ____
- 8x + 2y = 70, x = 7 → y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- 2x + 8y = 70, x = 7 → y = ____
- 5x + 5y = 70, x = 5 → y = ____
- 2x + 6y = 58, x = 2 → y = ____
- 1x + 7y = 33, x = 5 → y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- 3x + 1y = 31, x = 9 → y = ____