Mysterious Number Puzzle
I am thinking of a number. If I double it and then subtract 9, I get 23.
What is the number I am thinking of?
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We can create an equation here using everything given to us in the question.
ReplyDeleteLet's set the original number as x. Doubling this gives us 2x and subtracting 9 from here gives us 2x-9 which is equal to 23
From here, we just need to solve the equation:
2x-9=23
2x=32
x=16