Question 490046
6	x	+	1	y	=	4	.............1		
-1	x	+	2	y	=	9	.............2		
Eliminate y									
multiply (1)by 		-2							
Multiply (2) by		1							
-12	x		-2	y	=	-8			
-1	x		2	y	=	9			
Add the two equations									
-13	x				=	1			
/	-13								
x	=- 1/13				
plug value of 			x	in (1)					
6	x	+	1	y	=	4			
-0.46		+	1	y	=	4			
			1	y	=	4	+	0.46	
			1	y	=	4.46			
				y	=	40/9