Question 591131
2	x		-1	y	=	6	.............1	
1	x	+	1	y	=	-3	.............2	
Eliminate	y							
multiply (1)by		1						
Multiply (2) by		1						
2	x		-1	y	=	6		
1	x	+	1	y	=	-3		
Add the two equations								
3	x				=	3		
/	3							
x	=	1      						
plug value of			x	in (1)				
2	x		-1	y	=	6		
2    			-1	y	=	6		
			-1	y	=	6		-2      
			-1	y	=	4      		
				y	=	-4     

(1,-4)