Question 524075
3	x	+	2	y	=	1	.............1				
y	=	4		-2	x	---------2				y	=	4		-2	x					
Substitute y in 		(1)									
3x+2(	4		-2	x	)	=	1
3x+8-4x	=	1			
3x-4x	=	1	-8				
-x	=	-7								
/	-1										
x=	7										
Plug the value of x in (1)											
3x+2y	=	1					
3*7+y	=	1				
21	+2y	=	1						
2	y	=	-20								
/	2										
y=	-10										
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