Question 434961
1	x	+	-1	y	=	5	.............1		
-2	x	+	6	y	=	26	.............2		
Eliminate y									
multiply (1)by 		6							
Multiply (2) by		1							
6	x	-6	y	=	30			
-2	x	+	6	y	=	26			
Add the two equations									
4	x				=	56			
/	4								
x=14   			
plug value of 	x	in (1)					
x		-1	y	=	5			
14			-1	y	=	5			
			-1	y	=	5-14	
			-1	y	=	-9			
				y	=	9