Question 730125
1	a	+	6	b 	=	5	.............1	
								
1	a	+	2	b 	=	-3	.............2	
Eliminate	y							
multiply (1)by		1						
Multiply (2) by		-3						
1	a		6	b 	=	5		
-3	a		-6	b 	=	9		
Add the two equations								
-2	a				=	14		
/	-2							
a	=	-7						
plug value of			a	in (1)				
1	a	+	6	b 	=	5		
-7		+	6	b 	=	5		
			6	b 	=	5	+	7
			6	b 	=	12		
				b 	=	2		
a=	-7						
b=	2	

(-7,2) is the solution		
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