Question 913568
x=	one number							
y=	second  	number						
 								
1	x	+	1	y	=	36	.............1	
								
1	x		-1	y	=	4	.............2	
Eliminate	y							
Add the two equations								
2	x				=	40		
/	2							
x	=	20      						
plug value of			x	in (1)				
1	x	+	1	y	=	36		
20		+		y	=	36		
				y	=	36		-20
				y	=	16		
				y	=	16		1
x=	20		one number				
y=	16		second  	number				
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