Question

Twice a certain number is tripled. The resulting number is _____.

Answer 1

I think it would be \[(2x)3\] because you do 2 times a certain number, X being used as the number then you multiply that number my 3 so you would get 2*x*3, putting that as an expression would be \[(2x)3\]

Answer 2

By*

Answer 3

That's correct.