Question 466662
4	x		-9	y	=	10.5	.............1			
7	x		-2	y	=	6.5	.............2			
										
multiply (1)by 		2								
Multiply (2) by		-9								
8	x		-18	y	=	21				
-63	x		18	y	=	-58.5				
Add the two equations										
-55	x				=	-37.5				
/	-55									
x	=	0.68		OR	 2/3					
plug value of 			x	in (1)						
4	x	+	-9	y	=	10.5				
2.73		+	-9	y	=	10.5				
			-9	y	=	10.5		-2.73		
			-9	y	=	7.77				
				y	=	-0.86		OR	- 6/7