2 years ago

Two digit-

Mathematics

1 answer:

igor_vitrenko [27]2 years ago

4 0

Let the number = 10x+y

x+y = 9

y-x = 1

(x+y)+(y-x) = 9+1

2y = 10

y = 10/2

x+y = 9

9-y = x

x = 9 - 5

<h2>So, your number is <u>45</u></h2>

... Hope this will help...

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