Answer:
The answer is;
x = 24 -7 or 7 + x = 24
Sarah brought in 7 cookies. Max brought in 17 cookies. The both of them together brouhght in 24 cookies.
Explanation:
Since the question is a little vague in understanding, I'm going to assume we are figuring out how many cookies Max brought in.
If you are asking for how many cookies Max brought in, you would need to isolate x and create an equation. For this you can either have x = 24 - 7 or
7 + x = 24.