Question 414577
y=2x+2 
y-2x=2..........1
x+3y=41.........2

multiply (1)by 					1		
Multiply (2) by					2		
-2x+y=2	
2x+6y=82	
							
Add the two equations							
							
7y=84	
							
/7						
							
y=12				
Plug value of y in 						
-2x+y=2	
-2x+12	=2	
-2x=-10	
/-2						
x=5