1) -3x + 2y = 6
3x + -4y = 0
(x,y) = ( .. , .. )

2) -4x + -6y = -4
-4x + 1y = -4
(x,y) = ( .. , .. )

3) -6x + 3y = -12
2x + 5y = 4
(x,y) = ( .. , .. )

4) -1x + 6y = 23
-4x + -5y = 5
(x,y) = ( .. , .. )

5) 1x + -2y = 10
1x + 1y = 1
(x,y) = ( .. , .. )

6) -6x + 6y = 12
-3x + 6y = 9
(x,y) = ( .. , .. )

7) 6x + -4y = 16
6x + -3y = 12
(x,y) = ( .. , .. )

8) -5x + 1y = 2
-6x + 1y = 3
(x,y) = ( .. , .. )

9) 1x + -1y = 5
2x + 1y = 7
(x,y) = ( .. , .. )

10) 1x + 1y = 0
3x + 5y = 6
(x,y) = ( .. , .. )

11) 1x + 2y = -5
-2x + -6y = 14
(x,y) = ( .. , .. )

12) -6x + 5y = 20
-6x + 6y = 24
(x,y) = ( .. , .. )

13) -6x + 1y = 22
-6x + 4y = 16
(x,y) = ( .. , .. )

14) -6x + -2y = -28
4x + 1y = 19
(x,y) = ( .. , .. )

15) -3x + -3y = 9
-1x + 6y = -11
(x,y) = ( .. , .. )

16) 6x + 6y = 0
3x + -5y = 40
(x,y) = ( .. , .. )

17) 3x + -2y = -12
5x + -4y = -20
(x,y) = ( .. , .. )

18) -5x + 3y = -5
5x + -2y = 10
(x,y) = ( .. , .. )

19) -1x + -3y = -14
-4x + 5y = -5
(x,y) = ( .. , .. )

20) -1x + 1y = 1
-3x + -3y = -15
(x,y) = ( .. , .. )