Here is the same number machine,
Input
Output
x2
+ 3
17
Work out...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 29.05.2020 15:59, mimithurmond03
Here is the same number machine,
Input
Output
x2
+ 3
17
Work out the input when the output is 17
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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