Please help there are 7 books on the floor the number of books on the shelf is 2 more than 3 times the number of books on the floor

Please help there are 7 books on the floor the number of books on the shelf is 2 more than 3 times the number of books on the floor class=

Respuesta :

The answer is 23. 7 books on the floor times 3 is 21. Plus two is 23.