방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 3x + 3y = 45, x = 9 → y = ____
- 7x + 7y = 70, x = 3 → y = ____
- x + y = 11, x − y = 1 → x = ____, y = ____
- 2x + 2y = 20, x = 7 → y = ____
- x + y = 9, x − y = -1 → x = ____, y = ____
- 9x + 8y = 104, x = 8 → y = ____
- 9x + 7y = 93, x = 8 → y = ____
- 8x + 5y = 71, x = 7 → y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- x + y = 2, x − y = 0 → x = ____, y = ____
- 1x + 2y = 9, x = 3 → y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- 6x + 9y = 33, x = 1 → y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- 6x + 6y = 24, x = 2 → y = ____
- x + y = 6, x − y = 0 → x = ____, y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- 7x + 2y = 24, x = 2 → y = ____
- 4x + 7y = 39, x = 1 → y = ____
- 1x + 7y = 22, x = 1 → y = ____