방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- x + y = 9, x − y = 7 → x = ____, y = ____
- 7x + 3y = 37, x = 4 → y = ____
- 3x + 3y = 21, x = 1 → y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- 9x + 8y = 33, x = 1 → y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- x + y = 10, x − y = -8 → x = ____, y = ____
- 5x + 5y = 30, x = 3 → y = ____
- x + y = 12, x − y = -2 → x = ____, y = ____
- 4x + 2y = 18, x = 4 → y = ____
- 3x + 9y = 69, x = 8 → y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- 7x + 7y = 98, x = 8 → y = ____
- 8x + 2y = 64, x = 7 → y = ____
- 3x + 5y = 22, x = 4 → y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- x + y = 11, x − y = -3 → x = ____, y = ____
- 3x + 1y = 28, x = 7 → y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____