Intro to Ch. 7 ­ WS #6
Solve, using addition.
1. 2x + 2y = 8
5x ­ 3y = 4
1
2. 2x ­ 5y = 7
3x ­ 2y = ­17
2
3. 5x ­ 2y ­ 11 = 0
3x + 5y ­19 = 0
3
4. 4x + 3y = ­2
3x + 2y = 1
4
5. 5x ­ 2y = 4
6x + 2y =18
5
6. 4x ­ 3y = ­20
­x ­ 8y = 5
6
7. 7x ­ 3y = ­5
3x + 2y = 11
7