contestada

Represent the following sentence as an algebraic expression, where "a number" is the
letter x. You do not need to simplify.
Twice the difference of 9 and a number.

Respuesta :

2(x−9) i think this is the correct answer

Answer:2(9-X)

Step-by-step explanation:

difference means subtraction: the difference of 9 and a number is 9 - X

twice means times 2

Therefor: 2(9-X)