Question 450371
4x + 4y = 5 
2x - 8y = -5 

4x+4y=5	.............1	
2x-8y=-5	.............2	
Eliminate y								
multiply (1)by 		4						
Multiply (2) by		2						
16x+16y	=	20		
4x-16y=	-10		
Add the two equations								
20x=10		
/20							
x=	0.50						
plug value of 	x	in (1)				
4x+4y=	5		
2+4y=5		
4y=5-2
4y=3		
y=0.75