Question 594582
-12	x	+	27	y	=	60	.............1	
								
-6	x		-6	y	=	30	.............2	
Eliminate	y							
multiply (1)by		2						
Multiply (2) by		9						
-24	x		54	y	=	120		
-54.00	x		-54	y	=	270		
Add the two equations								
-78.00	x				=	390		
/	-78.00							
x	=	-5.00						
plug value of			x	in (1)				
-12.00	x	+	27.00	y	=	60.00		
60.00		+	27.00	y	=	60.00		
			27.00	y	=	60.00	-60.00
			27.00	y	=	0.00		
				y	=	0.00