<PRE><B>Question 721947</B>
1	x		-1	y	=	4	.............1	
Total value								
2	x	+	3	y	=	5	.............2	
Eliminate	y							
multiply (1)by		3						
Multiply (2) by		1						
3	x		-3	y	=	12		
2	x	+	3	y	=	5		
Add the two equations								
5	x				=	17		
/	5							
x	=	17/ 5						
plug value of			x	in (1)				
1	x		-1	y	=	4		
3			-1	y	=	4		
			-1	y	=	4		-3
			-1	y	=	1		
				y	=	-  3/ 5		
</PRE>