Question

Which would the phrase "twice the difference of a number and 5" look like as a variable expression? A) 2(x-5)

Answer 1

It is A. To solve this, you have too read it like this:

twice = 2x
difference of a number and 5 = ($x$-5)

2x(($x$-5))
2(x-5)

Answer 2

A) 2 (x-5)
because difference means subtraction and it is twice that