방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 7x + 2y = 71, x = 9 → y = ____
- 3x + 1y = 31, x = 9 → y = ____
- 2x + 1y = 15, x = 3 → y = ____
- 9x + 3y = 90, x = 7 → y = ____
- 2x + 3y = 22, x = 2 → y = ____
- 3x + 6y = 18, x = 4 → y = ____
- 2x + 7y = 56, x = 7 → y = ____
- 4x + 1y = 25, x = 5 → y = ____
- 1x + 1y = 5, x = 1 → y = ____
- x + y = 12, x − y = 0 → x = ____, y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- 8x + 8y = 32, x = 1 → y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____
- 3x + 3y = 45, x = 9 → y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- 5x + 8y = 109, x = 9 → y = ____
- 6x + 8y = 50, x = 3 → y = ____