방정식 시스템 워크시트
이름: ____________________날짜: ____________
지침: 대입과 소거를 통해 선형 방정식 시스템을 푼다.
20 문제
- 2x + 4y = 38, x = 7 → y = ____
- 5x + 5y = 80, x = 9 → y = ____
- 2x + 2y = 28, x = 5 → y = ____
- 4x + 8y = 72, x = 2 → y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- 8x + 2y = 74, x = 8 → y = ____
- x + y = 2, x − y = 0 → x = ____, y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- 8x + 1y = 57, x = 6 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 4x + 1y = 25, x = 4 → y = ____
- x + y = 15, x − y = 1 → x = ____, y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- x + y = 18, x − y = 0 → x = ____, y = ____
- 2x + 9y = 70, x = 8 → y = ____
- 4x + 4y = 40, x = 9 → y = ____
- 5x + 8y = 50, x = 2 → y = ____