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put this solution on YOUR website!Let x= the number.
Then we have to make an equation based on what we are given.
So the number halved would be represented by

.
To this add 9 so

Let this then = 63. So we get:

Now rearrange the equation
Subtract 9 from both sides to give

Then multiply both sides by 2 which gives:
x=108
so the number is 108