Question 549723
x+y	=1	.............1
2x-y=-2	.............2
Add the two equations							
3x=-1.00	
/3						
x=	-  1/ 3					
plug value of 	x	in (1)			
x+y=1	
-1/3+y=	1					
y=1+1/3
y=4/3	
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