방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 3x + 9y = 87, x = 8 → y = ____
- 8x + 7y = 128, x = 9 → y = ____
- 4x + 3y = 20, x = 2 → y = ____
- 4x + 3y = 35, x = 5 → y = ____
- 2x + 5y = 31, x = 3 → y = ____
- 6x + 7y = 58, x = 5 → y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- 1x + 7y = 57, x = 1 → y = ____
- 9x + 8y = 17, x = 1 → y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- 1x + 5y = 33, x = 3 → y = ____
- 2x + 8y = 60, x = 2 → y = ____
- x + y = 6, x − y = 0 → x = ____, y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____
- x + y = 11, x − y = -7 → x = ____, y = ____
- 4x + 5y = 55, x = 5 → y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____