SOLUTION: when thirteen is reduced by one third of a number result is 9 find the number

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Question 284132: when thirteen is reduced by one third of a number result is 9 find the number
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
let's call the number n
n/3 is one third of the number
reduced means subtract
13-n/3=9
-n/3=-4
-n=-12
n=12
check
13-12/3=9
13-4=9
ok