Question 550740
-1	x	+	4	y	=	0.5	.............1		
3	x		-6	y	=	10.5	.............2		
Eliminate y									
multiply (1)by 		3							
Multiply (2) by		2							
-3	x		12	y	=	1.5			
6	x		-12	y	=	21			
Add the two equations									
3	x				=	22.5			
/	3								
x	=	7.50					
plug value of 			x	in (1)					
-1	x	+	4	y	=	0.5			
-7.5		+	4	y	=	0.5			
			4	y	=	0.5	+	7.5	
			4	y	=	8			
				y	=	2