방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 8x + 8y = 112, x = 9 → y = ____
- 1x + 8y = 67, x = 3 → y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- 7x + 8y = 72, x = 8 → y = ____
- 8x + 4y = 84, x = 9 → y = ____
- 2x + 3y = 26, x = 1 → y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- 9x + 9y = 63, x = 5 → y = ____
- x + y = 12, x − y = 0 → x = ____, y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- 7x + 7y = 56, x = 5 → y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 3x + 2y = 42, x = 8 → y = ____
- 4x + 1y = 44, x = 9 → y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- 2x + 6y = 62, x = 7 → y = ____