방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 2x + 3y = 21, x = 3 → y = ____
- 5x + 5y = 80, x = 8 → y = ____
- 1x + 3y = 11, x = 8 → y = ____
- 7x + 4y = 44, x = 4 → y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- 4x + 6y = 36, x = 6 → y = ____
- 7x + 7y = 70, x = 2 → y = ____
- 2x + 9y = 84, x = 6 → y = ____
- 6x + 3y = 30, x = 1 → y = ____
- 1x + 1y = 15, x = 7 → y = ____
- 5x + 8y = 43, x = 7 → y = ____
- 4x + 9y = 70, x = 4 → y = ____
- 6x + 6y = 72, x = 6 → y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- 4x + 4y = 36, x = 6 → y = ____
- 9x + 2y = 87, x = 9 → y = ____
- 7x + 5y = 81, x = 8 → y = ____
- 6x + 6y = 60, x = 5 → y = ____