Question 425867
let smaller number be x
bigger number be y

x+y=30	.............1	
2y-2x	=4.............2	
								
multiply (1)by	-2						
Multiply (2) by	1						
-2x-2y=	-60		
-2x+2y=4		
								
Add the two equations								
								
-4x=-56		
								
/-4							
								
x=14		
y=16