Question

The phrase “twice the difference of a number 5” can be written as which variable?

1. 2(x-5)
2. 2(x+5)
3. -5+2x
4. 2+2(x-5)

Answer 1

Let

x-------> the number

we know that

1) The phrase “the difference of a number and 5” can be written as

(x-5)

2) The phrase “twice the difference of a number and 5” can be written as

2*(x-5)

therefore

the answer is the option

1. 2(x-5)