Question 490163
-3	x	+	4	y	=	1	.............1	
-6	x	+	6	y	=	-3	.............2	
Eliminate y								
multiply (1)by 		-3						
Multiply (2) by		2						
9	x		-12	y	=	-3		
-12	x		12	y	=	-6		
Add the two equations								
-3	x				=	-9		
/	-3							
x	=	3      			
plug value of 			x	in (1)				
-3	x	+	4	y	=	1		
-9		+	4	y	=	1		
			4	y	=	1	+	9
			4	y	=	10		
				y	=	2.5