1) -5x + -3y = 5
-1x + -4y = 18
(x,y) = ( .. , .. )

2) -4x + -5y = 11
5x + 2y = -18
(x,y) = ( .. , .. )

3) 6x + -2y = -16
-4x + -1y = -1
(x,y) = ( .. , .. )

4) 3x + -5y = -40
-1x + -6y = -25
(x,y) = ( .. , .. )

5) -5x + -4y = -3
3x + -4y = 21
(x,y) = ( .. , .. )

6) 1x + -6y = 28
4x + 3y = 4
(x,y) = ( .. , .. )

7) -5x + 2y = 12
6x + 3y = -36
(x,y) = ( .. , .. )

8) 2x + 3y = 7
6x + -3y = -15
(x,y) = ( .. , .. )

9) 1x + -6y = 9
-3x + 3y = -12
(x,y) = ( .. , .. )

10) 3x + 5y = -18
-1x + -4y = 13
(x,y) = ( .. , .. )

11) 4x + 3y = 4
1x + -1y = -6
(x,y) = ( .. , .. )

12) -5x + -5y = 30
6x + -3y = 0
(x,y) = ( .. , .. )

13) 6x + 1y = -1
5x + -3y = -20
(x,y) = ( .. , .. )

14) -1x + 5y = -1
-5x + -4y = 24
(x,y) = ( .. , .. )

15) -4x + 1y = 21
-5x + 3y = 35
(x,y) = ( .. , .. )

16) -4x + 2y = -10
-2x + -6y = 2
(x,y) = ( .. , .. )

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

18) 5x + 6y = 38
-6x + 5y = -9
(x,y) = ( .. , .. )

19) 2x + 4y = 10
-2x + -2y = -8
(x,y) = ( .. , .. )

20) -3x + 1y = -2
-3x + -6y = -9
(x,y) = ( .. , .. )