Question 1178089
a-2b=9, 
2a-3b=4

1.00	a	+	-2.00	b	=	9.00				
										
										
2.00	a	+	-3.00	b	=	4.00	.............2			
Eliminate 	b									
multiply (1)by		-3.00								
Multiply (2) by		2.00								
-3.00	a		6.00	b	=	-27.00				
4.00	a		-6.00	b	=	8.00				
Add the two equations										
1.00	a				=	-19.00				
/	1.00									
a	=	-19.00								
plug value of			a	in (1)						
1.00	a	+	-2.00	b	=	9.00				
-19.00		+	-2.00	b	=	9.00				
			-2.00	b	=	28.00				
				b	=	-14.00				
Ans	a	=	-19.00							
	b	=	-14.00