Question 421817
6x-2y=7	.............1	
x-y=2	.............2	
								
multiply (1)by 	1			
Multiply (2) by -2			
6x-2y=7		
-2x+2y=	-4		
								
Add the two equations								
								
4x=3		
								
/4							
								
x= 3/4		

plug value of 	x	in (1)		
						
6x-2y=7
4.5-2y	=7
-2y=7
-2y=2.5
y=-1 1/4