Question 421824
18x-3y=3	.............1	
6x+y=-1	.............2	
								
multiply (1)by 1			
Multiply (2) by 	3			
18x-3y=	3		
18x+3y=	-3		
Add the two equations		
36x=0		
x=0		
plug value of x in (1)				
								
18x-3y=3		
-3y=3		
3y=3
-3y=3		
y=-1