방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 9x + 4y = 81, x = 5 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- 5x + 4y = 72, x = 8 → y = ____
- 5x + 3y = 23, x = 4 → y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- x + y = 7, x − y = -5 → x = ____, y = ____
- x + y = 8, x − y = 4 → x = ____, y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- 2x + 2y = 18, x = 3 → y = ____
- 5x + 6y = 64, x = 2 → y = ____
- 5x + 2y = 19, x = 3 → y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- 1x + 9y = 23, x = 5 → y = ____
- 7x + 4y = 70, x = 6 → y = ____
- 3x + 6y = 39, x = 1 → y = ____
- x + y = 14, x − y = 0 → x = ____, y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____