Question 417980
x+2y=-1	.............1	
3x-2y=9	.............2	
								
multiply (1)by 					1			
Multiply (2) by					1			
x+2y=-1		
3x-2y=9		
								
Add the two equations								
								
4x=8		
								
/4							
								
x=2						
								
plug value of x in (1)								
								
x+2y=-1		
2+2y=-1		
2y=-1+-2
2y=-3		
y=-1.5