방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 5x + 2y = 49, x = 9 → y = ____
- 7x + 8y = 93, x = 3 → y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 2x + 6y = 22, x = 5 → y = ____
- x + y = 9, x − y = -1 → x = ____, y = ____
- 3x + 1y = 25, x = 7 → y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- 9x + 1y = 23, x = 2 → y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- x + y = 6, x − y = 0 → x = ____, y = ____
- 2x + 8y = 72, x = 8 → y = ____
- x + y = 16, x − y = 0 → x = ____, y = ____
- 4x + 9y = 56, x = 5 → y = ____
- 5x + 2y = 22, x = 2 → y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- 3x + 4y = 37, x = 7 → y = ____
- 7x + 3y = 28, x = 1 → y = ____