Question 549722
1	x	+	1	y	=	1	.............1
2	x		-1	y	=	-2	.............2
Eliminate 	y						
Add the two equations							
3	x				=	-1.00	
/	3						
x	=	-  1/ 3					
plug value of 			x	in (1)			
1	x	+		y	=	1	
-0.33		+		y	=	1	
			y	=	1	+
				y	=	4/3	
											
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