1) 1x + -1y = -8
-5x + 1y = 24
(x,y) = ( .. , .. )

2) 5x + 2y = -9
5x + 5y = -15
(x,y) = ( .. , .. )

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

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

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

6) -3x + 6y = -27
4x + 1y = 18
(x,y) = ( .. , .. )

7) 5x + 2y = -2
-6x + -2y = 2
(x,y) = ( .. , .. )

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

9) 5x + 5y = -35
3x + 5y = -27
(x,y) = ( .. , .. )

10) 1x + 3y = -8
-3x + -5y = 20
(x,y) = ( .. , .. )

11) -6x + -2y = 2
-2x + -1y = 0
(x,y) = ( .. , .. )

12) 5x + -1y = -10
-3x + 6y = 6
(x,y) = ( .. , .. )

13) 6x + 1y = -8
-3x + 2y = 14
(x,y) = ( .. , .. )

14) 3x + 1y = -12
5x + 5y = -20
(x,y) = ( .. , .. )

15) 6x + -3y = 24
4x + 1y = 16
(x,y) = ( .. , .. )

16) -6x + 3y = 9
1x + 6y = 31
(x,y) = ( .. , .. )

17) 6x + -4y = -12
1x + -2y = -2
(x,y) = ( .. , .. )

18) -1x + -5y = -17
4x + -1y = 5
(x,y) = ( .. , .. )

19) -3x + 4y = -1
2x + -2y = 2
(x,y) = ( .. , .. )

20) 5x + -4y = -7
-1x + -1y = -4
(x,y) = ( .. , .. )