x	y
0	1.5
1	0.5
2	- 0.2
3	-1
4	-1.7

3x + 4y = 5

x	y
0	-2
1	-1.5
2	1
3	0.5
4	0

5x – 10y = 20

x	y
0	-8
1	-4
2	-0
3	-0.5
4	1

-8x + 2y = 16

x	y
0	1.5
1	0
2	-1.5
3	-2.8
4	4.5

-9x + 6y = 9

x	y
0	1
1	0
2	-1
3	-2
4	-3

6x + 6y = 6