Question 997996
x= 	first number							
y=	second number							
Total  sold								
1	x	+	2	y	=	68	.............1	
Total value								
2	x	+	3	y	=	112	.............2	
Eliminate	y							
multiply (1)by		-3						
Multiply (2) by		2						
-3	x		-6	y	=	-204		
4	x	+	6	y	=	224		
Add the two equations								
1	x				=	20		
/	1							
x	=	20						
plug value of			x	in (1)				
1	x	+	2	y	=	68		
20		+	2	y	=	68		
			2	y	=	68		-20
			2	y	=	48		
				y	=	24		
x=	20		first number					
y=	24		second number					
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