Question 862095
x= 	number 	in ten's place						
y=	number 	in units place						
 								
1	x	+	1	y	=	9	.............1	

10y+x = 10x+y+27								
9y-9x=27

x= 	number 	in ten's place						
y=	number 	in units place						
 								
1	x	+	1	y	=	9	.............1	
Total value								
-9	x	+	9	y	=	27	.............2	
Eliminate	y							
multiply (1)by		-9						
Multiply (2) by		1						
-9	x		-9	y	=	-81		
-9	x	+	9	y	=	27		
Add the two equations								
-18	x				=	-54		
/	-18							
x	=	3						
plug value of			x	in (1)				
1	x	+	1	y	=	9		
3		+		y	=	9		
				y	=	9		-3
				y	=	6		
				y	=	6		
x=	3.00		number 	in ten's place				
y=	6.00		number 	in units place		

The number is 36		
m.ananth@hotmail.ca