Question

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?​

Answer 1

Answer:

2x-12

Step-by-step explanation:

If the first floor has x rooms ,

therefore the ground floor will have 2x-12 rooms.

Hope this helps.

Answer 2

Answer

The first floor has number of rooms = x  

Twice of the rooms on the first floor = 2x

The rooms on the ground floor = 2x-12

Total rooms on the ground floor= 2x-12