Question 430416
2x-y=12	.............1	
3x+2y=-3	.............2	
Eliminate y								
multiply (1)by 		2						
Multiply (2) by		1						
4x-2y=24		
3x+2y=	-3		
Add the two equations								
7x=21		
/7							
x=3		
plug value of 			x	in (1)				
2x-y=12		
6-y=12		
-y=12-6
-y=6		
y=-6
CHECK								
								
2	x		-	y	=	12		
6			6		=	12		
			12		=	12