Question 522030
2	x	+	5	y	=	1	.............1	
-1	x	+	6	y	=	8	.............2	
Eliminate y								
multiply (1)by 		6						
Multiply (2) by		-5						
12	x		30	y	=	6		
5	x		-30	y	=	-40		
Add the two equations								
17	x				=	-34		
/	17							
x	=	-2      			
plug value of 			x	in (1)				
2	x	+	5	y	=	1		
-4		+	5	y	=	1		
			5	y	=	1	+	4
			5	y	=	5		
				y	=	1