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The number of rooms on the ground floor of a building is 12 less than the twice of the number of rooms on first floor. If the first floor has x rooms, how many rooms does the ground floor has?

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Let's denote the number of rooms on the first floor as xx. According to the given information: The number of rooms on the ground floor is 12 less than twice the number of rooms on the first floor. Twice the number of rooms on the first floor is 2x2x. So, the number of rooms on the ground floor would...
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Let's denote the number of rooms on the first floor as xx.

According to the given information:

The number of rooms on the ground floor is 12 less than twice the number of rooms on the first floor.

Twice the number of rooms on the first floor is 2x2x.

So, the number of rooms on the ground floor would be 2x−122x−12.

Therefore, the ground floor has 2x−122x−12 rooms.

 
 
 
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