방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- x + y = 14, x − y = 4 → x = ____, y = ____
- x + y = 12, x − y = 0 → x = ____, y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- 5x + 5y = 25, x = 1 → y = ____
- 7x + 2y = 81, x = 9 → y = ____
- 8x + 3y = 69, x = 6 → y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____
- 7x + 8y = 38, x = 2 → y = ____
- 8x + 4y = 72, x = 7 → y = ____
- 1x + 3y = 21, x = 6 → y = ____
- 3x + 9y = 54, x = 9 → y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- x + y = 3, x − y = -1 → x = ____, y = ____
- 9x + 3y = 81, x = 7 → y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- x + y = 8, x − y = 0 → x = ____, y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____