Posted by Vic on Friday, October 7, 2011 at 12:48am.
let the smaller be x
and the larger be 9-x
then
9-x - x = 5
-2x = -4
x = 2
smaller is 2, larger is 7
or
let one be x, the other be y
x+y=9
x-y=5
add them --->2x = 14
x = 7
then in x+y=9
7=Y=9
y = 2
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