Matthew P. answered 09/12/19
Computer Science Student Who Loves Teaching Math
Hi there!
To turn this into a written expression, we can separate it into its components. "The difference of a number and 8" is simply x – 8, and then we see the whole thing needs to be doubled, so we can put a 2 out in front:
2(x – 8)
Finally, we see the answer to this expression is 5, so we can write
2(x – 8) = 5.
I hope this helped!