1.
5x + 4y = 7
(3x-4y = 17
(2x + y = 5
2.
(2x + y =
= 8
6x - 8y = 4
3.
3x-4y
20
4y-
2
3x - 4y = 7
4.
6x-8y = 14
5x + 4y = 7
(3x-4y = 17
(2x + y = 5
2.
(2x + y =
= 8
6x - 8y = 4
3.
3x-4y
20
4y-
2
3x - 4y = 7
4.
6x-8y = 14