Question 444146
6x-y=39	.............1	
6x+7y=33	.............2	
Eliminate y						
multiply (1)by 	7						
Multiply (2) by	1						
42x-7y=273		
6x+7y=33		
Add the two equations								
48x=306		
/48							
x=6.38						
plug value of x	in (1)				
6x-1y=39		
38.25-	y=39		
-y=39-38.25
-y=0.75		
y=-0.75