Question 671135
5	x		-2	y	=	30	.............1	
								
-2	x	+	2	y	=	0	.............2	
Eliminate	y							
multiply (1)by		1						
Multiply (2) by		1						
5	x		-2	y	=	30		
-2	x	+	2	y	=	0		
Add the two equations								
3	x				=	30		
/	3							
x	=	10						
plug value of			x	in (1)				
5	x		-2	y	=	30		
50			-2	y	=	30		
			-2	y	=	30		-50
			-2	y	=	-20		
				y	=	10		
x=10, y=10