Question 520653
Adult	x	Tickets						
child	y	Tickets						
								
1	x	+	1	y	=	118	.............1	
9	x	+	7	y	=	1022	.............2	
Eliminate y								
multiply (1)by 		-7						
Multiply (2) by		1						
-7	x		-7	y	=	-826		
9	x		7	y	=	1022		
Add the two equations								
2	x				=	196		
/	2							
x	=	98      			
plug value of 			x	in (1)				
1	x	+	1	y	=	118		
98		+	1	y	=	118		
			1	y	=	118		-98
			1	y	=	20		
				y	=	20
Adult	98    	Tickets						
child	20	Tickets						
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