24x-7x

To simplify the expression 24x - 7x, you need to combine the like terms.

Like terms have the same variable with the same exponent, in this case, it's "x".

So, 24x - 7x can be simplified as:

(24 - 7) x

Which simplifies to:

17x

Therefore, 24x - 7x simplifies to 17x.