Question 1178173

2 x+ 3 y = 4
5 x - 5 y = -15

10	x		15	y	=	20		
15	x		-15	y	=	-45		
Add the two equations								
25	x				=	-25		
/	25							
x	=	-1						
plug value of			x	in (1)				
2	x	+	3	y	=	4		
-2		+	3	y	=	4		
			3	y	=	6		
				y	=	2		
Ans	x	=	-1					
	y	=	2					
	




Answer: (x,y) =(-1,2)