8 is subtracted from twice a number

Answer 1

Let the unknown number be x. Twice a number is 2x. Subtract 8 from twice a number is 2x - 8

Answer 2

1. The term a number is just another way of saying X .
2. With that being said, twice a number is another way of saying, a number multiplied by 2.
3. Twice a number can be written as follows: 2x
4. The term 8 is subtracted from is another way of saying a number minus 8.
5. Since we don't know the value of X, we are going to write an expression.
6. A number multiplied by two, minus 8: 2x-8