Question

12 - x

If x = 7, what is the value of the expression above?

Answer 1

5

Explanation:

12-7=5

Answer 2

5

Explanation:

We know that x is equal to 7. That means we can replace x with this value. This makes our new expression:

12 - 7

12-7 is equal to 5, so this expression will equal 5 when x = 7.