방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 1x + 2y = 21, x = 9 → y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- 5x + 3y = 35, x = 4 → y = ____
- 1x + 7y = 42, x = 7 → y = ____
- 8x + 8y = 112, x = 8 → y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- 2x + 4y = 42, x = 9 → y = ____
- 9x + 6y = 63, x = 5 → y = ____
- 8x + 5y = 21, x = 2 → y = ____
- 4x + 3y = 42, x = 6 → y = ____
- x + y = 6, x − y = 0 → x = ____, y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____
- x + y = 10, x − y = -4 → x = ____, y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- x + y = 11, x − y = -1 → x = ____, y = ____
- 9x + 1y = 50, x = 5 → y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- x + y = 3, x − y = -1 → x = ____, y = ____
- 2x + 5y = 36, x = 8 → y = ____